64 Pa. Stat. § 96
Every warrant for land within the said late purchase shall be directed by the surveyor-general to the deputy-surveyor of some one district, within the same purchase, in order that the same warrant may be duly executed, and the quantity of land therein specified, surveyed and located according to the tenor of such warrant; but if land, to the satisfaction of the person who shall have property in any such warrant, be not found within such district, then and in such case, the deputy-surveyor, to whom such warrant was directed, shall, on the desire of the person entitled to the same, certify, by indorsement thereon in writing, witnessed by two subscribing witnesses, that the same warrant has not been executed within his district, and shall redirect the same warrant to the deputy-surveyor of some other district within the said late purchase; and upon producing the warrant, so certified as aforesaid, the deputy-surveyor to whom the same may be directed shall proceed upon and execute such warrant, in like manner, and with the like effect, as if it had been so directed by the Surveyor-General.
64 P.S. § 96