36 Pa. Stat. § 3507
The bonds or obligations so delivered to the Commonwealth of Pennsylvania shall be deposited with the State Treasurer, and those delivered to the City of Philadelphia with the city treasurer, for safe keeping until sold or disposed of as hereinafter provided. Those delivered to the State of New Jersey shall be deposited with such officer or tribunal as may be provided by reciprocal legislation of the State of New Jersey. The Commonwealth of Pennsylvania, the City of Philadelphia, and the State of New Jersey, through their respective treasurers or officer or tribunal receiving such bonds, shall issue their receipts to the Delaware River Joint Commission, acknowledging the receipt of the full amounts due from said commission, as provided for in said act approved the twelfth day of June, one thousand nine hundred and thirty-one (Pamphlet Laws, five hundred seventy-five), and similar legislation of the State of New Jersey, and absolving said commission from further liability for reimbursement on account of the moneys advanced towards the construction of said bridge and its approaches, and the acquisition of property in connection therewith.
36 P.S. § 3507