Maryland Tax - General Section 2-104

      (a)      Subject to the requirements of § 2-110 of this subtitle and subsection (b) of this section, the Comptroller shall design the returns and other forms that, on completion, provide the information required for the administration of the tax laws listed in § 2-102 of this subtitle.

      (b)      Except for variations that the differences between the federal and State income tax laws require, the forms that the Comptroller designs to administer the income tax laws shall be similar to the forms used to administer the federal income tax laws.

      (c)      (1)      The Comptroller shall keep an income tax return for 5 years from the date the return is filed. After 5 years, the Comptroller may destroy the return.

            (2)      The Comptroller shall keep a sales and use tax return for 2 years from the date the return is filed. After 2 years, the Comptroller may destroy the return.