21. Marking of wrecks.—The Central Government may, if considers necessary, give directions to any
officer referred to in sub-section (1) of section 4 to mark any wreck in such manner as may be prescribed.
22. Reimbursement for marking wrecks.—The cost for marking the wreck shall be borne by or
recovered from the owner or the operator of such vessel in such manner as may be prescribed.