43 C.F.R. § 3141.5-5 Dating of lease.
Title 43 - Public Lands: Interior
A combined hydrocarbon lease shall be effective as of the first day of the month following the date the lease is signed on behalf of the United States, except that where prior written request is made, a lease may be made effective on the first of the month in which the lease is signed.
Title 43: Public Lands: Interior
PART 3140—LEASING IN SPECIAL TAR SAND AREAS
Subpart 3141—Competitive Leasing in Special Tar Sand Areas
§ 3141.5-5 Dating of lease.
