Mass. Gen. Laws ch. 255D, § 11B: Merchandise certificates or coupons; return statement required

Section 11B. Any written agreement for the purchase of a merchandise certificate or coupon, any newly printed merchandise certificate or coupon, and any cover or envelope containing a merchandise certificate or coupon shall contain the following statement appearing conspicuously on the face thereof:

You may return any unused merchandise certificates or coupons at any time and receive full credit on your account.