Mass. R. App. P. 11.1
In the case of a direct appeal to the Supreme Judicial Court, except as to any appeal concerning a conviction of murder in the first degree, within 14 days after the appeal has been docketed, or such further time as a single justice upon motion for cause shown may allow, any party may serve and file a motion to transfer the appeal to the Appeals Court. The motion (a) shall not exceed either 5 pages of text in monospaced font or 1,000 words in proportional font, as defined in Rule 20(a)(4)(B); (b) shall succinctly specify the grounds for transfer; and (c) shall conform to Rules 13, 14, 15, and 20(b). Within 7 days after filing of the motion, any other party may serve and file a response to the transfer. The response (a) shall not exceed either 5 pages of text in monospaced font or 1,000 words in proportional font, as defined in Rule 20(a)(4)(B); (b) shall succinctly specify the reasons why transfer should or should not be granted; and (c) shall conform to Rules 13, 14, 15, and 20(b).
Mass. R. App. P. 11.1