N.Y. Bridges & Tunnels New York-New Jersey Law § 6
If the amount paid by the port authority to the state of New Jersey pursuant to the preceding section of this act shall be less than an amount which, together with the moneys then in the sinking fund established by chapter three hundred and fifty-two of the laws of New Jersey of nineteen hundred twenty and chapter two hundred and sixty-two of the laws of New Jersey of nineteen hundred twenty-four, hereinafter called the New Jersey Camden bridge-Holland tunnel sinking fund (other than moneys set apart to pay interest for the then current year upon the bonds of the state of New Jersey authorized by the aforesaid acts of the state of New Jersey, hereinafter called New Jersey Camden bridge-Holland tunnel bonds), will be equal to the principal amount of the then outstanding New Jersey Camden bridge-Holland tunnel bonds, then and in such event, the port authority shall in addition pay to the state of New Jersey an amount which, together with the amount paid under and pursuant to the preceding section hereof and the moneys then in said New Jersey Camden bridge-Holland tunnel sinking fund, will be equal to the principal amount of the then outstanding New Jersey Camden bridge-Holland tunnel bonds; and shall, moreover, pay to the state of New York a like amount.
N.Y. Bridges and Tunnels New York-New Jersey Law § 6