Maryland Estates and Trusts Section 9-212

      (a)      If an instrument transferring an interest in or power over property subject to a disclaimer is required or permitted by law to be filed, recorded, or registered, the disclaimer may be filed, recorded, or registered.

      (b)      Failure to file, record, or register the disclaimer does not affect its validity as between the disclaimant and the persons to whom the property interest or power passes by reason of the disclaimer.