25.1. The following are exempt from the obligation of holding a permit under paragraph d of section 321 of the Act:(a) a legal person in the business of assembling or producing automobiles or motorcycles adapted to transportation on public roads, where the object of the contract of additional warranty it offers or makes is an automobile or motorcycle assembled or produced by that legal person;
(b) a subsidiary of a legal person covered by paragraph a, where the object of the contract of additional warranty it offers or makes is an automobile or motorcycle assembled or produced by the legal person of which it is a subsidiary;
(c) a person whose chief business is repairing automobiles or motorcycles adapted to transportation on public roads or selling parts required for such repairs, where the object of the contract of additional warranty he offers or makes is repairs carried out by that person or parts he sells.