Pennsylvania Statutes Title 64 P.S. Public Lands § 355. When persons making application may pay interest

In all applications at the land office  1 for warrants, hereafter to be granted by the state, the person making application, or his agent, may, at their own election, pay the interest on the purchase money accrued previously to the date of the warrant, either at the time the purchase money shall be paid, or after the return of survey shall have been made, and before the issuing of the patent.