Yes, per Article 106.P.03:
Player Release is for a player that has participated on a team in championship play. They may be released from a team after participating in Championship Play, but it shall be prior to the State / Metro Association roster change deadline and shall have written approval from the Coach and Player / Parent Guardian ( if under age 18 ). For Junior Olympic Players, if the Manager / Coach and Parent / Guardian are one and the same, there needs to be an additional Manager / Coach signature. For Adult Players if the Manager / Coach and the Player are one and the same, there needs to be an additional Manager / Coach signature. This Player Release Form must be approved via signature by the State / Metro Association Commissioner or his / her designee.