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.
Maryland Legal Code