(1)  Where the Minister is satisfied that it is necessary to do so in the public interest, he shall, by instrument in writing served on the permittee, suspend, either for a specified period or indefinitely, all or any of the rights conferred by the permit.

(2)  Where any rights are suspended in accordance with subsection (1) , any conditions required to be complied with in the exercise of those rights are also suspended.

(3)  Where rights conferred by a permit are suspended in accordance with subsection (1) , the Minister may, by the instrument of suspension or by a later instrument in writing served on the permittee, extend the term of the permit by a period not exceeding the period of the suspension.