(a) Forms of stipulations and orders. Unless made in open court, all stipulations shall be in writing, signed by the parties or their attorneys, and filed with the clerk. An order based upon a stipulation shall be sufficient if the words “Approved and so ordered” or their equivalent are endorsed on the stipulation at the close thereof and signed by the judge.(b) Stipulations extending time. Stipulations extending time to act under Rule 45(b)(1) of these rules shall indicate the existing expiration date.
