Maryland Tax - General Section 11-402

      A vendor may not directly or indirectly advertise, state, or otherwise hold out that any part of the sales and use tax:

            (1)      will be assumed or absorbed by the vendor;

            (2)      will not be added to the taxable price of tangible personal property or a taxable service; or

            (3)      will be refunded if added to the taxable price of tangible personal property or a taxable service.