10 U.S.C. § 1044b : US Code - Section 1044B: Military powers of attorney: requirement for recognition by States

      (a) Instruments To Be Given Legal Effect Without Regard to State
    Law. - A military power of attorney - 
        (1) is exempt from any requirement of form, substance,
      formality, or recording that is provided for powers of attorney
      under the laws of a State; and
        (2) shall be given the same legal effect as a power of attorney
      prepared and executed in accordance with the laws of the State

      (b) Military Power of Attorney. - For purposes of this section, a
    military power of attorney is any general or special power of
    attorney that is notarized in accordance with section 1044a of this
    title or other applicable State or Federal law.
      (c) Statement To Be Included. - (1) Under regulations prescribed
    by the Secretary concerned, each military power of attorney shall
    contain a statement that sets forth the provisions of subsection
      (2) Paragraph (1) shall not be construed to make inapplicable the
    provisions of subsection (a) to a military power of attorney that
    does not include a statement described in that paragraph.
      (d) State Defined. - In this section, the term "State" includes
    the District of Columbia, the Commonwealth of Puerto Rico, and a
    possession of the United States.