Definition of Real Property Taxes “Real Property Taxes” shall be the sum of the following: all real property taxes; possessory interest taxes; business or license taxes or fees; present or future Xxxxx-Xxxx assessments; service payments in lieu of such taxes or fees; annual or periodic license or use fees; excise, transit and traffic charges; housing fund assessments, open space charges, childcare fees, school, sewer and parking fees or any other assessments, levies, fees, exactions or charges, general and special, ordinary and extraordinary, unforeseen as well as foreseen (including fees “in-lieu” of any such tax or assessment) which are assessed, levied, charged, conferred or imposed by any public authority upon the Project (or any real property comprising any portion thereof) or its operations, together with all taxes, assessments or other fees imposed by any public authority upon or measured by any rent or other charges payable hereunder, including any gross receipts tax or excise tax levied by any governmental authority with respect to receipt of rental income, or, with respect to or by reason of the development, possession, any tax or assessment levied in connection with the leasing, operation, management, maintenance, alteration, repair, use or occupancy by Tenant of the Premises or any portion thereof; any documentary transfer taxes upon this transaction or any document to which Tenant is a party creating or transferring an interest in the Premises; together with any tax imposed in substitution, partially or totally, of any tax previously included within the aforesaid definition or any additional tax the nature of which was previously included within the aforesaid definition; together with any and all costs and expenses (including, without limitation, attorneys’, administrative and expert witness fees and costs) of challenging any of the foregoing or seeking the reduction in or abatement, redemption or return of any of the foregoing, but only to the extent of any such reduction, abatement, redemption or return. All references to Real Property Taxes during a particular year shall be deemed to refer to taxes accrued during such year, including supplemental tax bills, regardless of when they are actually assessed and without regard to when such taxes are payable. The obligation of Tenant to pay for supplemental taxes effective during the Term shall survive the expiration or early termination of this Lease. Nothing contained in this Lease shall require Tenant to pay any franchise, corporate, estate or inheritance tax of Landlord, or any income, profits or revenue tax or charge upon the net income of Landlord or any documentary transfer tax.