You must submit your decommissioning application upon the earliest of the following dates:

(a) Two (2) years before the expiration of your lease.

(b) Ninety (90) days after completion of your commercial activities on a commercial lease.

(c) Ninety (90) days after completion of your approved activities under a limited lease on a ROW grant or RUE grant.

(d) Ninety (90) days after cancellation, relinquishment, or other termination of your lease or grant.

(e) Ninety (90) calendar days after BSEE determines a facility is no longer useful for operations.