3. In the case of an employment injury that occurs in Québec, where the worker chooses to receive care or to undergo medical examinations outside Québec and where the Commission de la santé et de la sécurité du travail does not pay the cost thereof pursuant to the Regulation respecting medical aid (chapter A-3.001, r. 1), the worker shall not be entitled to reimbursement of travel and living expenses incurred for that purpose.