Maryland Commercial Law Section 14-2203

      (a)      A contract made pursuant to a telephone solicitation is not valid and enforceable against a consumer unless made in compliance with this subtitle.

      (b)      A contract made pursuant to a telephone solicitation:

            (1)      Shall be reduced to writing and signed by the consumer;

            (2)      Shall comply with all other applicable laws and regulations;

            (3)      Shall match the description of goods or services as that principally used in the telephone solicitation;

            (4)      Shall contain the name, address, and telephone number of the seller, the total price of the contract, and a detailed description of the goods or services being sold;

            (5)      Shall contain, in at least 12 point type, immediately preceding the signature, the following statement:

      "You are not obligated to pay any money unless you sign this contract and return it to the seller."; and

            (6)      May not exclude from its terms any oral or written representations made by the merchant to the consumer in connection with the transaction.