Returns. Upon the act of purchasing, purchaser agrees that no goods may be returned to Front Range Vital Signs without Front Range Vital Signs 's prior written consent, and then only to the extent of the quantity and under the terms and conditions set forth in such writing. All returns must be approved by Front Range Vital Signs  in its sole discretion, and are subject to a restocking fee. Receipt of a returned merchandise authorization (RA) number does not guarantee a credit for returned merchandise.