30 CFR § 778.21
Proof of publication
July 29, 2020
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.
[48 FR 44399, Sept. 28, 1983, as amended at 65 FR 79669, Dec. 19, 2000]