30 C.F.R. § 778.21

A copy of the newspaper advertisements of the application for a permit, significant revision of a permit, or renewal of a permit, or proof of publication of the advertisements which is acceptable to the regulatory authority shall be filed with the regulatory authority and shall be made a part of the application not later than 4 weeks after the last date of publication as required by § 773.6(a)(1) of this chapter.