164. Notwithstanding the provisions of the third paragraph of section 94, a senior administrator whose position has been eliminated pursuant to section 189 of the Act to modify the organization and governance of the health and social services network, in particular by abolishing the regional agencies (chapter O-7.2) and who has chosen maintenance of the contract or reinstatement within the sector may modify his initial choice and opt for departure from the sector, provided he so notifies the employer in writing before 1 May 2015.