Section 284.287 - Implementation and effective date(a) Prior to offering any sales service under this subpart J, a pipeline must file revised tariff sheets incorporating the provisions of this subpart J.(b) A blanket certificate issued under § 284.284 will be effective on the effective date (as approved by the Commission) of the tariff sheets implementing service under that certificate.Order 581, 60 FR 53074, Oct. 11, 1995 Order 581, 60 FR 53074, 10/11/1995