Common use of DEFAULT OF LEASE Clause in Contracts

DEFAULT OF LEASE. 1. In the event Lessor shall determine a default in the performance by Lessee of any express or implied covenant of the lease, Lessor shall give notice in writing by certified or registered mail, addressed to Lessee’s last address filed with Lessor, specifying the facts by which default is claimed. Except as to rental, minimum royalty, production royalty, and payments in lieu of production royalty requirements as heretofore provided, Lessee shall have thirty (30) days from date of receipt of notice to satisfy the obligation of Lessee, if any, with respect to Lessor’s notice, or provide Lessor satisfactory proof that Lessee is not is default or if in default and Lessee is not able to cure within thirty (30) days, Lessee shall submit for Lessor’s approval a performance schedule with a date certain to satisfy or cure default of Lessee. 2. If Lessee fails to voluntarily satisfy the claim of default concerning rental, minimum royalty, production royalty, payments in lieu of production royalty requirements and/or any other expressed or implied covenant of this lease, the Lessor may proceed, at its sole discretion, with forfeiture of all or part of said leased premises in accordance with 1929 PA 81, MCL 554.281, et seq. 3. If the default is not cured, as provided above, Lessor may take possession of the leased premises or any part thereof, and all nonmetallic minerals and/or nonmetallic mineral products, machinery, fixtures, improvements and Lessee’s personal property on the leased premises become the property of the Lessor. Lessor may then exclude Lessee from the leased premises and declare this lease terminated and Lessee’s rights forfeited. Re- entry by Lessor does not eliminate any other legal remedy for Lessor. No tools, fixtures, machinery or other property of the Lessee shall be removed from said premises, and all sums due on royalties, damages, or other payments, shall be a lien on all implements, tools, movable machinery, and all other chattels used in operating said property, and also upon all of the unsold nonmetallic minerals and/or nonmetallic mineral products obtained from the land herein leased, as security for the payment of royalties, damages, or other payments. This lien may be foreclosed in the same manner as chattel mortgages are foreclosed. 4. Should Lessee be prevented from complying with any express or implied covenant of this lease, after effort made in good faith, or any cause beyond the reasonable control of the Lessee, such as, but not limited to war, rebellion, riots, strikes, acts of God or any order or rule of governmental authority, and not including economic, budgetary or financial constraints or conditions, then while so prevented, Lessee’s obligation to comply with such covenant shall be suspended upon proper and satisfactory proof presented to the Lessor in writing in support of Lessee’s contention but Lessee is not excused from payment according to provisions of the lease for all rentals, minimum royalty, production royalty or in lieu of production royalty reserved and payable to the Lessor.

DEFAULT OF LEASE. 1. In the event Lessor shall determine a default in the performance by Lessee of any express or implied covenant of the lease, Lessor shall give notice in writing by certified or registered mail, addressed to Lessee’s last address filed with Lessor, specifying the facts by which default is claimed. Except as to rental, minimum royalty, production royalty, and payments in lieu of production royalty requirements as heretofore provided, Lessee shall have thirty (30) days from date of receipt of notice to satisfy the obligation of Lessee, if any, with respect to Lessor’s notice, or provide Lessor satisfactory proof that Lessee is not is default or if in default and Lessee is not able to cure within thirty (30) days, Lessee shall submit for Lessor’s approval a performance schedule with a date certain to satisfy or cure default of Lessee. 2. If Lessee fails to voluntarily satisfy the claim of default concerning rental, minimum royalty, production royalty, payments in lieu of production royalty requirements and/or any other expressed or implied covenant of this lease, the Lessor may proceed, at its sole discretion, with forfeiture of all or part of said leased premises in accordance with 1929 PA 81, MCL 554.281, et seq. 3. If the default is not cured, as provided above, Lessor may take possession of the leased premises or any part thereof, and all nonmetallic minerals and/or nonmetallic mineral products, machinery, fixtures, improvements improvements, and Lessee’s personal property on the leased premises become the property of the Lessor. Lessor may then exclude Lessee from the leased premises and declare this lease terminated and Lessee’s rights forfeited. Re- entry by Lessor does not eliminate any other legal remedy for Lessor. No tools, fixtures, machinery or other property of the Lessee shall be removed from said premises, and all sums due on royalties, damages, or other payments, shall be a lien on all implements, tools, movable machinery, and all other chattels used in operating said property, and also upon all of the unsold nonmetallic minerals and/or nonmetallic mineral products obtained from the land herein leased, as security for the payment of royalties, damages, or other payments. This lien may be foreclosed in the same manner as chattel mortgages are foreclosed. 3. In addition to any other remedy, the Lessor may draw upon the bond or letter of credit as provided in Section D. 4. Should In addition to any other remedy, the Lessor, at the Lessor’s sole option, may determine that the Lessee can be prevented from complying with placed on the “Hold Action” list until such time as any express or implied covenant of this lease, after effort made in good faith, or any cause beyond and/or all infractions by the reasonable control Lessee have been resolved to the satisfaction of the LesseeLessor. Placement on said list may result in barring the Lessee from any further leases, such asassignments, but easements, extensions or other approvals required by the Lessor. However, placement on said list does not limited eliminate the Lessor’s ability to war, rebellion, riots, strikes, acts forfeit any or all parts of God or said lease under D (5). 5. If Lessee fails to address any order or rule claim of governmental authority, and not including economic, budgetary or financial constraints or conditions, then while so prevented, Lessee’s obligation to comply with such covenant shall be suspended upon proper and satisfactory proof presented to default as herein provided the Lessor may proceed, at its sole discretion, with forfeiture of all or part of said leased premises in writing in support of Lessee’s contention but Lessee is not excused from payment according to accordance with the provisions of Act 81 of the lease for all rentalsPublic Acts of 1929, minimum royalty, production royalty or in lieu being section 554.281 and 554.282 of production royalty reserved and payable to the LessorMichigan Compiled Laws.

DEFAULT OF LEASE. 1. In the event Lessor shall determine a default in the performance by Lessee of any express or implied covenant of the lease, Lessor shall give notice in writing by certified or registered mail, addressed to Lessee’s last address filed with Lessor, specifying the facts by which default is claimed. Except as to rental, minimum royalty, production royalty, and payments in lieu of production royalty requirements as heretofore provided, Lessee shall have thirty (30) days from date of receipt of notice to satisfy the obligation of Lessee, if any, with respect to Lessor’s notice, or provide Lessor satisfactory proof that Lessee is not is default or if in default and Lessee is not able to cure within thirty (30) days, Lessee shall submit for Lessor’s approval a performance schedule with a date certain to satisfy or cure default of Lessee. 2. If Lessee fails to voluntarily satisfy the claim of default concerning rental, minimum royalty, production royalty, payments in lieu of production royalty requirements and/or any other expressed or implied covenant of this lease, the Lessor may proceed, at its sole discretion, with forfeiture of all or part of said leased premises in accordance with 1929 PA 81, MCL 554.281, et seq. 3. If the default is not cured, as provided above, Lessor may take possession of the leased premises or any part thereof, and all nonmetallic minerals and/or nonmetallic mineral products, machinery, fixtures, improvements improvements, and Lessee’s personal property on the leased premises become the property of the Lessor. Lessor may then exclude Lessee from the leased premises and declare this lease terminated and Lessee’s rights forfeited. Re- Re-entry by Lessor does not eliminate any other legal remedy for Lessor. No tools, fixtures, machinery or other property of the Lessee shall be removed from said premises, and all sums due on royalties, damages, or other payments, shall be a lien on all implements, tools, movable machinery, and all other chattels used in operating said property, and also upon all of the unsold nonmetallic minerals and/or nonmetallic mineral products obtained from the land herein leased, as security for the payment of royalties, damages, or other payments. This lien may be foreclosed in the same manner as chattel mortgages are foreclosed. 3. In addition to any other remedy, the Lessor may draw upon the bond or letter of credit as provided in Section S. 4. Should In addition to any other remedy, the Lessor, at the Lessor’s sole option, may determine that the Lessee can be prevented from complying with placed on the “Hold Action” list until such time as any express or implied covenant of this lease, after effort made in good faith, or any cause beyond and/or all infractions by the reasonable control Lessee have been resolved to the satisfaction of the LesseeLessor. Placement on said list may result in barring the Lessee from any further leases, such asassignments, but easements, extensions or other approvals required by the Lessor. However, placement on said list does not limited eliminate the Lessor’s ability to war, rebellion, riots, strikes, acts forfeit any or all parts of God or said lease under D(5). 5. If Lessee fails to address any order or rule claim of governmental authority, and not including economic, budgetary or financial constraints or conditions, then while so prevented, Lessee’s obligation to comply with such covenant shall be suspended upon proper and satisfactory proof presented to default as herein provided the Lessor may proceed, at its sole discretion, with forfeiture of all or part of said leased premises in writing in support of Lessee’s contention but Lessee is not excused from payment according to accordance with the provisions of Act 81 of the lease for all rentalsPublic Acts of 1929, minimum royalty, production royalty or in lieu being section 554.281 and 554.282 of production royalty reserved and payable to the LessorMichigan Compiled Laws.

DEFAULT OF LEASE. 1. In the event Lessor shall determine a default in the performance by Lessee Xxxxxx of any express or implied covenant of the lease, Lessor shall give notice in writing by certified or registered mail, addressed to LesseeXxxxxx’s last address filed with Lessor, specifying the facts by which default is claimed. Except as to rental, minimum royalty, production royalty, and payments in lieu of production royalty requirements as heretofore provided, Lessee shall have thirty (30) days from date of receipt of notice to satisfy the obligation of Lessee, if any, with respect to Lessor’s notice, or provide Lessor satisfactory proof that Lessee is not is default or if in default and Lessee is not able to cure within thirty (30) days, Lessee shall submit for Lessor’s approval a performance schedule with a date certain to satisfy or cure default of Lessee. 2. If Lessee fails to voluntarily satisfy the claim of default concerning rental, minimum royalty, production royalty, payments in lieu of production royalty requirements and/or any other expressed or implied covenant of this lease, the Lessor may proceed, at its sole discretion, with forfeiture of all or part of said leased premises in accordance with 1929 PA 81, MCL 554.281, et seq. 3. If the default is not cured, as provided above, Lessor may take possession of the leased premises or any part thereof, and all nonmetallic minerals and/or nonmetallic mineral products, machinery, fixtures, improvements improvements, and LesseeXxxxxx’s personal property on the leased premises become the property of the Lessor. Lessor may then exclude Lessee Xxxxxx from the leased premises and declare this lease terminated and LesseeXxxxxx’s rights forfeited. Re- Re-entry by Lessor does not eliminate any other legal remedy for Lessor. No tools, fixtures, machinery or other property of the Lessee shall be removed from said premises, and all sums due on royalties, damages, or other payments, shall be a lien on all implements, tools, movable machinery, and all other chattels used in operating said property, and also upon all of the unsold nonmetallic minerals and/or nonmetallic mineral products obtained from the land herein leased, as security for the payment of royalties, damages, or other payments. This lien may be foreclosed in the same manner as chattel mortgages are foreclosed. 4. Should In addition to any other remedy, the Lessor may draw upon the bond or letter of credit as provided in Section D. In addition to any other remedy, the Lessor, at the Lessor’s sole option, may determine that the Lessee can be prevented from complying with placed on the “Hold Action” list until such time as any express or implied covenant of this lease, after effort made in good faith, or any cause beyond and/or all infractions by the reasonable control Lessee have been resolved to the satisfaction of the LesseeLessor. Placement on said list may result in barring the Lessee from any further leases, such asassignments, but easements, extensions or other approvals required by the Lessor. However, placement on said list does not limited eliminate the Lessor’s ability to war, rebellion, riots, strikes, acts forfeit any or all parts of God or said lease under D (5). If Xxxxxx fails to address any order or rule claim of governmental authority, and not including economic, budgetary or financial constraints or conditions, then while so prevented, Lessee’s obligation to comply with such covenant shall be suspended upon proper and satisfactory proof presented to default as herein provided the Lessor may proceed, at its sole discretion, with forfeiture of all or part of said leased premises in writing in support of Lessee’s contention but Lessee is not excused from payment according to accordance with the provisions of Act 81 of the lease for all rentalsPublic Acts of 1929, minimum royalty, production royalty or in lieu being section 554.281 and 554.282 of production royalty reserved and payable to the LessorMichigan Compiled Laws.

DEFAULT OF LEASE. 1. In the event Lessor shall determine a default in the performance by Lessee of any express or implied covenant of the lease, Lessor shall give notice in writing by certified or registered mail, addressed to Lessee’s last address filed with Lessor, specifying the facts by which default is claimed. Except as to rental, minimum royalty, production royalty, and payments in lieu of production royalty requirements as heretofore provided, Lessee shall have thirty (30) days from date of receipt of notice to satisfy the obligation of Lessee, if any, with respect to Lessor’s notice, or provide Lessor satisfactory proof that Lessee is not is default or if in default and Lessee is not able to cure within thirty (30) days, Lessee shall submit for Lessor’s approval a performance schedule with a date certain to satisfy or cure default of Lessee. 2. If Lessee fails to voluntarily satisfy the claim of default concerning rental, minimum royalty, production royalty, payments in lieu of production royalty requirements and/or any other expressed or implied covenant of this lease, the Lessor may proceed, at its sole discretion, with forfeiture of all or part of said leased premises in accordance with 1929 PA 81, MCL 554.281, et seq. 3. If the default is not cured, as provided above, Lessor may take possession of the leased premises or any part thereof, and all nonmetallic minerals and/or nonmetallic mineral products, machinery, fixtures, improvements improvements, and Lessee’s personal property on the leased premises become the property of the Lessor. Lessor may then exclude Lessee from the leased premises and declare this lease terminated and Lessee’s rights forfeited. Re- Re-entry by Lessor does not eliminate any other legal remedy for Lessor. No tools, fixtures, machinery or other property of the Lessee shall be removed from said premises, and all sums due on royalties, damages, or other payments, shall be a lien on all implements, tools, movable machinery, and all other chattels used in operating said property, and also upon all of the unsold nonmetallic minerals and/or nonmetallic mineral products obtained from the land herein leased, as security for the payment of royalties, damages, or other payments. This lien may be foreclosed in the same manner as chattel mortgages are foreclosed. 3. In addition to any other remedy, the Lessor may draw upon the bond or letter of credit as provided in Section D. 4. Should In addition to any other remedy, the Lessor, at the Lessor’s sole option, may determine that the Lessee can be prevented from complying with placed on the “Hold Action” list until such time as any express or implied covenant of this lease, after effort made in good faith, or any cause beyond and/or all infractions by the reasonable control Lessee have been resolved to the satisfaction of the LesseeLessor. Placement on said list may result in barring the Lessee from any further leases, such asassignments, but easements, extensions or other approvals required by the Lessor. However, placement on said list does not limited eliminate the Lessor’s ability to war, rebellion, riots, strikes, acts forfeit any or all parts of God or said lease under D (5). 5. If Lessee fails to address any order or rule claim of governmental authority, and not including economic, budgetary or financial constraints or conditions, then while so prevented, Lessee’s obligation to comply with such covenant shall be suspended upon proper and satisfactory proof presented to default as herein provided the Lessor may proceed, at its sole discretion, with forfeiture of all or part of said leased premises in writing in support of Lessee’s contention but Lessee is not excused from payment according to accordance with the provisions of Act 81 of the lease for all rentalsPublic Acts of 1929, minimum royalty, production royalty or in lieu being section 554.281 and 554.282 of production royalty reserved and payable to the LessorMichigan Compiled Laws.

DEFAULT OF LEASE. 1. In the event Lessor shall determine a default in the performance by Lessee Xxxxxx of any express or implied covenant of the lease, Lessor shall give notice in writing by certified or registered mail, addressed to Lessee’s Xxxxxx's last address filed with Lessor, specifying the facts by which default is claimed. Except as to rental, minimum royalty, production royalty, and payments in lieu of production royalty requirements as heretofore provided, Lessee shall have thirty (30) days from date of receipt of notice to satisfy the obligation of Lessee, if any, with respect to Lessor’s 's notice, or provide Lessor satisfactory proof that Lessee is not is in default or if in default and Lessee is not able to cure within thirty (30) days, Lessee shall submit for Lessor’s 's approval a performance schedule with a date certain to satisfy or cure default of Lessee. 2. If Lessee Xxxxxx fails to voluntarily satisfy the claim of default concerning rental, minimum royalty, production royalty, payments in lieu of production royalty requirements as herein provided relative to any condition and/or any other expressed or implied covenant of this lease, the Lessor may proceed, at its sole discretion, with forfeiture of all or part of said leased premises in accordance with 1929 PA P.A. 81, MCL 554.281, et seq. 3. If the default is not cured, as provided above, Lessor may take possession of the leased premises or any part thereof, and all nonmetallic minerals and/or nonmetallic mineral products, machinery, fixtures, improvements improvements, and Lessee’s personal property on the leased premises become the property of the Lessorpremises. Lessor may then exclude Lessee Xxxxxx from the leased premises and declare this lease terminated and Lessee’s Xxxxxx's rights forfeited. Re- Re-entry by Lessor does not eliminate any other legal remedy for Lessor. No tools, fixtures, machinery machinery, or other property of the Lessee shall be removed from said premisespremises by the Lessee, if any royalties, damages, or other payments are due to the Lessor, and all sums due on royalties, damages, or other payments, shall be a lien on all implements, tools, movable machinery, and all other chattels used in operating said property, and also upon all of the unsold nonmetallic minerals mineral and/or nonmetallic mineral products obtained from the land herein leased, as security for the payment of royalties, damages, or other payments. This lien may be foreclosed in the same manner as chattel mortgages are foreclosed. 4. Default or termination of the lease does not relieve the Lessee from closure, post closure, or environmental requirements established under this lease or under a mining permit pursuant to Part 632 of NREPA, or other applicable permits or laws. 5. Should Lessee be prevented from complying with any express or implied covenant of this lease, after effort made in good faith, or for any cause beyond the reasonable control of the Lessee, such as, but not limited to to: war, rebellion, riots, strikes, acts of God God, or any an order or rule of governmental authority, and not including economic, economic budgetary or financial constraints or conditions, then while so prevented, Lessee’s Xxxxxx's obligation to comply with such covenant shall be suspended upon proper and satisfactory proof presented to the Lessor in writing in support of Lessee’s Xxxxxx's contention but Lessee Xxxxxx is not excused from payment according to provisions of the lease for all rentals, minimum royaltyMinimum Royalty, production royalty or in lieu of production royalty Production Royalty reserved and payable to the Lessor. 6. Should Lessee be prevented from conducting exploration or mining operations or from mining minerals and/or mineral products under this lease, after effort made in good faith, for any reason beyond the reasonable control of Lessee (not including economic, budgetary or financial constraints, or conditions), this lease will be extended as to portions of the leased premises affected by such force majeure so long as Lessee is prevented from exploration, conducting mining operations or from mining minerals, and/or mineral products there from.

DEFAULT OF LEASE. 1. In the event Lessor shall determine a default in the performance by Lessee of any express or implied covenant of the lease, Lessor shall give notice in writing by certified or registered mail, addressed to Lessee’s 's last address filed with Lessor, specifying the facts by which default is claimed. Except as to rental, minimum royalty, production royalty, and payments in lieu of production royalty requirements as heretofore provided, Lessee shall have thirty (30) days from date of receipt of notice to satisfy the obligation of Lessee, if any, with respect to Lessor’s 's notice, or provide Lessor satisfactory proof that Lessee is not is in default or if in default and Lessee is not able to cure within thirty (30) days, Lessee shall submit for Lessor’s 's approval a performance schedule with a date certain to satisfy or cure default of Lessee. 2. If Lessee fails to voluntarily satisfy the claim of default concerning rental, minimum royalty, production royalty, payments in lieu of production royalty requirements as herein provided relative to any condition and/or any other expressed or implied covenant of this lease, the Lessor may proceed, at its sole discretion, with forfeiture of all or part of said leased premises in accordance with 1929 PA P.A. 81, MCL 554.281, et seq. 3. If the default is not cured, as provided above, Lessor may take possession of the leased premises or any part thereof, and all nonmetallic minerals and/or nonmetallic mineral products, machinery, fixtures, improvements improvements, and Lessee’s personal property on the leased premises become the property of the Lessorpremises. Lessor may then exclude Lessee from the leased premises and declare this lease terminated and Lessee’s 's rights forfeited. Re- Re-entry by Lessor does not eliminate any other legal remedy for Lessor. No tools, fixtures, machinery machinery, or other property of the Lessee shall be removed from said premisespremises by the Lessee, if any royalties, damages, or other payments are due to the Lessor, and all sums due on royalties, damages, or other payments, shall be a lien on all implements, tools, movable machinery, and all other chattels used in operating said property, and also upon all of the unsold nonmetallic minerals mineral and/or nonmetallic mineral products obtained from the land herein leased, as security for the payment of royalties, damages, or other payments. This lien may be foreclosed in the same manner as chattel mortgages are foreclosed. 4. Default or termination of the lease does not relieve the Lessee from closure, post closure, or environmental requirements established under this lease or under a mining permit pursuant to Part 632 of NREPA, or other applicable permits or laws. 5. Should Lessee be prevented from complying with any express or implied covenant of this lease, after effort made in good faith, or for any cause beyond the reasonable control of the Lessee, such as, but not limited to to: war, rebellion, riots, strikes, acts of God God, or any an order or rule of governmental authority, and not including economic, economic budgetary or financial constraints or conditions, then while so prevented, Lessee’s 's obligation to comply with such covenant shall be suspended upon proper and satisfactory proof presented to the Lessor in writing in support of Lessee’s 's contention but Lessee is not excused from payment according to provisions of the lease for all rentals, minimum royaltyMinimum Royalty, production royalty or in lieu of production royalty Production Royalty reserved and payable to the Lessor. 6. Should Lessee be prevented from conducting exploration or mining operations or from mining minerals and/or mineral products under this lease, after effort made in good faith, for any reason beyond the reasonable control of Lessee (not including economic, budgetary or financial constraints, or conditions), this lease will be extended as to portions of the leased premises affected by such force majeure so long as Lessee is prevented from exploration, conducting mining operations or from mining minerals, and/or mineral products there from.

DEFAULT OF LEASE. 1. In the event Lessor shall determine a default in the performance by Lessee of any express or implied covenant of the lease, Lessor shall give notice in writing by certified or registered mail, addressed to Lessee’s last address filed with Lessor, specifying the facts by which default is claimed. Except as to rental, minimum royalty, production royalty, and payments in lieu of production royalty requirements as heretofore provided, Lessee shall have thirty (30) days from date of receipt of notice to satisfy the obligation of Lessee, if any, with respect to Lessor’s notice, or provide Lessor satisfactory proof that Lessee is not is default or if in default and Lessee is not able to cure within thirty (30) days, Lessee shall submit for Lessor’s approval a performance schedule with a date certain to satisfy or cure default of Lessee. 2. If Lessee fails to voluntarily satisfy the claim of default concerning rental, minimum royalty, production royalty, payments in lieu of production royalty requirements and/or any other expressed or implied covenant of this lease, the Lessor may proceed, at its sole discretion, with forfeiture of all or part of said leased premises in accordance with 1929 PA 81, MCL 554.281, et seq. 3. If the default is not cured, as provided above, Lessor may take possession of the leased premises or any part thereof, and all nonmetallic minerals and/or nonmetallic mineral products, machinery, fixtures, improvements improvements, and Lessee’s personal property on the leased premises become the property of the Lessor. Lessor may then exclude Lessee from the leased premises and declare this lease terminated and Lessee’s rights forfeited. Re- Re-entry by Lessor does not eliminate any other legal remedy for Lessor. No tools, fixtures, machinery or other property of the Lessee shall be removed from said premises, and all sums due on royalties, damages, or other payments, shall be a lien on all implements, tools, movable machinery, and all other chattels used in operating said property, and also upon all of the unsold nonmetallic minerals and/or nonmetallic mineral products obtained from the land herein leased, as security for the payment of royalties, damages, or other payments. This lien may be foreclosed in the same manner as chattel mortgages are foreclosed. 4. Should In addition to any other remedy, the Lessor may draw upon the bond or letter of credit as provided in Section S. In addition to any other remedy, the Lessor, at the Lessor’s sole option, may determine that the Lessee can be prevented from complying with placed on the “Hold Action” list until such time as any express or implied covenant of this lease, after effort made in good faith, or any cause beyond and/or all infractions by the reasonable control Lessee have been resolved to the satisfaction of the LesseeLessor. Placement on said list may result in barring the Lessee from any further leases, such asassignments, but easements, extensions or other approvals required by the Lessor. However, placement on said list does not limited eliminate the Lessor’s ability to war, rebellion, riots, strikes, acts forfeit any or all parts of God or said lease under D(5). If Lessee fails to address any order or rule claim of governmental authority, and not including economic, budgetary or financial constraints or conditions, then while so prevented, Lessee’s obligation to comply with such covenant shall be suspended upon proper and satisfactory proof presented to default as herein provided the Lessor may proceed, at its sole discretion, with forfeiture of all or part of said leased premises in writing in support of Lessee’s contention but Lessee is not excused from payment according to accordance with the provisions of Act 81 of the lease for all rentalsPublic Acts of 1929, minimum royalty, production royalty or in lieu being section 554.281 and 554.282 of production royalty reserved and payable to the LessorMichigan Compiled Laws.