47.12. To maintain registration, an operator of heavy vehicles must(1) subscribe to the brokerage service, if any, operated by a brokerage permit holder in the zone or, where applicable, the territory determined by regulation, in which his principal establishment is located, and, where applicable, register his trucks with the inter-zone brokerage service operated by the regional association recognized in his operating region;
(2) maintain his principal establishment in his operating region or, where applicable, in the territory determined by regulation or, in the case of an operator referred to in section 47.11, maintain his principal establishment outside Québec;
(3) register with the brokerage service only trucks registered in his name and the number of which corresponds to the number furnished to the Commission for his operating region;
(4) pay annually the duties fixed by regulation to the Commission, according to the terms and conditions determined by the Government.