15.—(1) The Minister may revoke a musk rat licence on either of the following grounds, that is to say:—
(a) on the ground that in his opinion there has been a breach of or a failure to observe or comply with one or more of the conditions attached to such licence,
(b) on the ground that the holder of such licence has been convicted of an offence under any section of this Act.
(2) Where at any time the Minister is of opinion that the keeping of musk rats in Saorstát Eireann should, in the public interest, be absolutely prohibited, he may revoke all musk rat licences then in force.
