Principal Fund; Sinking Accounts. Following receipt of the Junior Subordinate Pledged Revenues in each month, the Trustee shall deposit in the Principal Fund as soon as practicable in such month an amount equal to at least (a) one-sixth of the aggregate semiannual amount of Bond Obligation becoming due and payable on the Outstanding Serial Bonds of all Series having semiannual maturity dates within the next six months, plus (b) one-twelfth of the aggregate yearly amount of Bond Obligation becoming due and payable on the Outstanding Serial Bonds of all Series having annual maturity dates within the next twelve months, plus (c) one-sixth of the aggregate of the Mandatory Sinking Account Payments to be paid during the next six-month period into the respective Sinking Accounts for the Term Bonds of all Series for which Sinking Accounts have been created and for which semiannual mandatory redemption is required from said Sinking Accounts, plus (d) one-twelfth of the aggregate of the Mandatory Sinking Account Payments to be paid during the next twelve-month period into the respective Sinking Accounts for the Term Bonds of all Series for which Sinking Accounts shall have been created and for which annual mandatory redemption is required from such Sinking Accounts; provided that if the Authority certifies to the Trustee that any principal payments due on or prior to January 1, 2036 are expected to be refunded on or prior to their respective due dates, no amounts need be set aside towards such principal to be so refunded, except for amounts in any month to pay principal becoming due and payable in such month. All of the aforesaid deposits made in connection with future Mandatory Sinking Account Payments shall be made without priority of any payment into any one such Sinking Account over any other such payment. In the event that the Junior Subordinate Pledged Revenues shall not be sufficient to make the required deposits so that moneys in the Principal Fund on any principal or mandatory redemption date are equal to the amount of Bond Obligation to become due and payable on the Outstanding Serial Bonds of all Series plus the Bond Obligation amount of and redemption premium on the Outstanding Term Bonds required to be redeemed or paid at maturity on such date, then such moneys shall be applied on a Proportionate Basis and in such proportion as said Serial Bonds and said Term Bonds shall bear to each other, after first deducting for such purposes from said Term Bonds any of said Term Bonds required to ...
