15 C.F.R. § 971.801
(a)
(b) In addition to the information specified elsewhere in this part and in 15 CFR part 970, each applicant, licensee or permittee will be required to submit to the Administrator, upon request, data or other information the Administrator may reasonably need for purposes of:
(4) Evaluation of the exploration or commercial recovery activities conducted by the licensee or permittee.
At a minimum, licensees and permittees shall submit an annual written report within 90 days after each anniversary of the license or permit issuance or transfer, discussing exploration or commercial recovery activities and expenditures. The report shall address diligence requirements (see § 971.503 and 15 CFR 970.602), implementation of any approved monitoring plan (see § 971.602 and 15 CFR 970.522(c) and 970.702(a)), and applicable changes which do not constitute revisions (see § 971.413(e) and 15 CFR 970.513(c)). Permittees must also report the tonnage of nodules recovered (§ 971.426) and discuss manganese conservation measures (see § 971.502).