Maryland Business Regulation Section 13-108

      At least 90 days before a trading stamp company ends or suspends the redemption of trading stamps in the State, the trading stamp company shall:

            (1)      notify the Secretary of State in writing of its intention to end or suspend the redemption of trading stamps; and

            (2)      mail a copy of the notice to each retailer in the State that, within the previous 12 months, issued trading stamps that the trading stamp company is bound to redeem.