56.18. As soon as practicable after the coming into force of the revised plan, the secretary-treasurer shall publish a notice of the date of coming into force of the plan in a newspaper circulated in the territory of the regional county municipality.
He shall transmit, at the same time, a certified copy of the plan and of the notice to every municipality whose territory is comprised in that of the regional county municipality, to every contiguous regional county municipality and, for registration purposes, to the Commission.