22. A revocation contemplated in the first paragraph of section 20 or in section 21 shall be made by the Board only within 90 days immediately preceding the expiry of a period of two years from the certification or, as the case may be, the application of Divisions VIII and IX and subsequently within the same time immediately preceding the expiry of each additional period of two years.
Every revocation contemplated in section 20 or 21 shall become executory on the publication by the Board of a notice for that purpose in the Gazette officielle du Québec or on such later date as is indicated therein.
1972, c. 37, s. 22; 1999, c. 40, s. 220.