36 CFR § 218.32 - Objection time periods.

(a) Time to file an objection. Written objections, including any attachments, must be filed with the reviewing officer within 30 days following the publication date of the legal notice of the EA or final EIS in the newspaper of record or the publication date of the notice in the Federal Register when the Chief is the responsible official (see § 218.6(c)). It is the responsibility of objectors to ensure that their objection is received in a timely manner.

(b) Time for responding to an objection. The reviewing officer must issue a written response to the objector(s) concerning their objection(s) within 30 days following the end of the objection filing period.