Maryland Statutes
Subtitle 3 - Unfair, Abusive, or Deceptive Trade Practices
Section 13-306 - Certificate When Gift or Other Inducement Not Available to Customer

(a)    If a gift or other inducement offered to a customer in exchange for business is not available at the time the customer complies with the conditions attached to the offer, the offeror shall:
        (1)    Give the customer a certificate which states in unequivocal language that:
            (i)    The customer has complied with the conditions which entitle him to receive the gift or other inducement; and
            (ii)    The offeror will give the customer an identical or substantially similar item of equal value on presentment of the certificate; and
        (2)    Fully comply with the terms of the certificate.
    (b)    The certificate may designate a period of not less than 90 days after the date the customer receives the certificate within which the certificate must be presented for redemption.