F1A licensing authority may carry out any operation which appears to him to be necessary or expedient for the purpose of protecting the marine environment, the living resources which it supports and human health, or of preventing interference with legitimate use of the sea, in any case where anything for which a licence is needed appears to have been done otherwise than in pursuance of a licence and in accordance with its provisions.

If F2a licensing authoritycarries out an operation under subsection (1) above, he may recover any expenses reasonably incurred by him in carrying it out from any person who has been convicted of an offence in consequence of the act or omission which made it appear to the licensing authority to be necessary or expedient to carry out the operation.