30 CFR § 285.909 - When may facilities remain in place following termination of a lease or grant?
(a) In your decommissioning application, you may request that certain facilities authorized in your lease or grant remain in place for other activities authorized in this part, elsewhere in this subchapter, or by other applicable Federal law.
(b) Except as provided in paragraph (c) of this section, if BOEM authorizes facilities to remain in place, the former lessee or grantee under this part remains jointly and severally liable for decommissioning the facility unless satisfactory evidence is provided to BOEM showing that another party has assumed that responsibility and has secured adequate financial assurances.
(c) In your decommissioning application, identify facilities authorized by BOEM to be converted to an artificial reef or otherwise toppled in place.