§ 7. The amount payable by the port authority to the state of New York
pursuant to sections five and six of this act shall be paid by the port
authority into the treasury of the state of New York upon the thirtieth
day of June, nineteen hundred thirty-one, or at an earlier date at the
option of the port authority on five days' notice to the comptroller of
the state of New York, upon a voucher signed and audited by the said
comptroller, who is hereby authorized to consummate the said
transaction.