Maryland Natural Resources Section 8-728

      Sections 8-729 through 8-736 of this subtitle do not apply to or affect:

            (1)      A lien given by statute or rule of law to a supplier of services or materials for the vessel;

            (2)      A lien given by statute to the United States, the State, or any political subdivision of the State;

            (3)      A security interest in a vessel during any period in which the vessel is inventory held for sale or lease by a person or leased by that person as lessor and that person is in the business of selling vessels;

            (4)      Any lien arising out of an attachment of a vessel;

            (5)      Any security interest claimed on proceeds, as defined in § 9-102(a)(64) of the Commercial Law Article, if the original security interest did not have to be noted on the certificate of title in order to be perfected; or

            (6)      Any vessel for which a certificate of title is not required under this subtitle.