(1) For paragraph 249(6)(b) and subsection 249(7) of the Act, the General Manager must give notice to the reporting units of the General Manager's intention to revoke a certificate issued under section 245 of the Act.
(2) The notice must:
(a) be in writing; and
(b) state reasons for the intention; and
(c) advise that a reporting unit affected by the revocation has the opportunity to be heard under regulation 157.