30 U.S.C. § 541i : US Code - Section 541I: Withdrawal of lands from entry; expiration of claims

Search 30 U.S.C. § 541i : US Code - Section 541I: Withdrawal of lands from entry; expiration of claims

Twenty years after August 11, 1955, all lands subject to the
provisions of section 541 of this title shall be withdrawn from all
forms of entry under this chapter. All claims made pursuant to the
provisions of this chapter shall expire at that time, except for
(1) claims for which patent has already been issued, and (2) claims
on which application for patent has already been made and on which
patent is subsequently issued: Provided, That, if the President
shall so provide by Executive order, the provisions of this section
shall not become effective until thirty years after August 11,
1955.