71 Pa. Stat. § 1807
Fourthly. That this present agreement, and every article and clause therein contained shall be suspended, and take no effect until each of the legislatures of the states of Pennsylvania and New Jersey, respectively, shall have passed laws approving of and ratifying the same, which being done, the said agreement shall then be considered as a joint compact between the states and the citizens thereof, respectively, and be forever thereafter irrevocable by either of the said contracting states, without the concurrence of the other.
In witness whereof, we the commissioners of the aforesaid states, have set our hands and seals to two instruments of the agreement, one for each state, dated this twenty-sixth day of April, Anno Domini one thousand seven hundred and eighty-three.
Abraham Clark (L.S.)
Joseph Cooper (L.S.)
Thomas Henderson (L.S.)
George Bryan (L.S.)
George Gray (L.S.)
William Bingham (L.S.)
71 P.S. § 1807