4. Where the employment injury occurs in a border region of Québec, the Commission shall assume the cost of the following care, provided that the Commission had first given authorization to the worker:(1) the cost of care, treatment and technical aids received outside Québec and described in this Regulation, including, where applicable, supplies and expenses related thereto, up to the amounts provided for in this Regulation;
(2) the cost of care and treatment received in a hospital centre and the services of health professionals, dentists, optometrists or pharmacists received outside Québec, including, where applicable, the cost of supplies and expenses related thereto, on the basis of what similar care, treatment and services would cost under a public hospital insurance or health insurance plan in force in Québec.