Should a member need to resign a membership to the Martial Arts and Boxing Memberships, the account balance must be brought to zero and the membership must be resigned, in writing, a full billing cycle in advance (e.g. any member resigning between January 2-January 31 will be billed for February.) Written resignations may be submitted to Club Greenwood cancellation department by filling out the form below, hand delivery, or First-Class U.S. Mail. A confirmation receipt from Club Greenwood cancellation department must be received to confirm the resignation. Oral resignations or voicemail messages will not be accepted.