43 C.F.R. § 3862.6-1 Failure to prosecute application with diligence.
Title 43 - Public Lands: Interior
The failure of an applicant for patent to a mining claim to prosecute his application to completion, by filing the necessary proofs and making payment for the land, within a reasonable time after the expiration of the period of publication of notice of the application, or after the termination of adverse proceedings in the courts, constitutes a waiver by the applicant of all rights obtained by the earlier proceedings upon the application.
Title 43: Public Lands: Interior
PART 3860—MINERAL PATENT APPLICATIONS
Subpart 3862—Lode Mining Claim Patent Applications
§ 3862.6-1 Failure to prosecute application with diligence.