N.J. Stat. § 32:1-125

The amount payable by the port authority to the state of New Jersey pursuant to sections five and six of this act shall be paid by the port authority to the sinking fund commission created by said chapter three hundred and fifty-two of the Laws of New Jersey of one thousand nine hundred and twenty, and said chapter two hundred and sixty-two of the Laws of New Jersey of one thousand nine hundred and twenty-four hereinafter called the New Jersey Camden bridge-Holland tunnel sinking fund commission, upon the thirtieth day of June, one thousand nine hundred and thirty-one, or such other date as may be agreed upon by the said sinking fund commission and the port authority, upon a voucher signed and audited by the said sinking fund commission, which said commission is hereby authorized to consummate said transaction; and the said moneys shall be deposited in the said New Jersey Camden bridge-Holland tunnel sinking fund, and shall for all purposes be deemed to be a part thereof and subject to the appropriation of the moneys in the said sinking fund, made by the aforesaid statutes of the state of New Jersey. The income and interest received from or accruing upon the moneys in the aforesaid New Jersey Camden bridge-Holland tunnel sinking fund, and from the investment thereof, shall be set apart and held by the said New Jersey Camden bridge-Holland tunnel sinking fund commission for the payment of interest on New Jersey Camden bridge-Holland tunnel bonds, and shall be subject to the appropriation made of moneys so set apart and held, by the aforesaid statutes of the state of New Jersey, and shall be applied to the payment of such interest. L.1931, c. 4, s. 8, p. 22.