71. The licence of a contractor or of an owner-builder ceases to have effect on any of the following occurrences:(1) he becomes bankrupt;
(2) its powers as a legal person are revoked;
(3) it passes a resolution to go into voluntary liquidation;
(4) a winding-up order is made against it by a court of competent jurisdiction;
(5) (paragraph repealed);
(6) (paragraph repealed);
(7) he has been convicted of contravening the first paragraph of section 65.2;
(8) he did not pay the fees payable to maintain the licence when they were due.