(a) Transmittal of record On receiving a copy of a petition for review or on request of the Supreme Court, whichever is earlier, the clerk/executive officer of the Court of Appeal must promptly send the record to the Supreme Court. If the petition is denied, the clerk/executive officer of the Supreme Court must promptly return the record to the Court of Appeal if the record was transmitted in paper form. (Subd (a) amended effective January 1, 2018; previously amended effective January 1, 2016.) (b)Determination