39. The board may suspend, revoke or refuse to renew, for a fixed period, the permit of every holder who(1) no longer fulfils the conditions governing the issue of a permit determined in the Act or in a by-law made pursuant to section 58;
(2) has been found guilty of an offence under any provision of the Act relating directly to the activity authorized by the permit, or of a by-law made pursuant to section 58;
(3) does not comply with a restriction contained in the permit.