((a)) The Secretary of Defense may provide to members of the armed forces described in subsection (e) allowances and benefits comparable to those provided by the Secretary of State to officers and employees of the Foreign Service under paragraphs (2), (3), (4), (6), (7), (8), and (13) of section 901 and sections 705 and 903 of the Foreign Service Act of 1980 (, (3), (4), (6), (7), (8), and (13), 4025, 4083) and under .
((b)) The authority of the Secretary of Defense to make payments under subsection (a) is effective for any fiscal year only to the extent that appropriated funds are available for such purpose.
((c)) Members of the armed forces may not receive benefits under both subsection (a) and any other provision of this title for the same purpose. The Secretary of Defense shall prescribe such regulations as may be necessary to carry out this subsection.
((d)) Regulations prescribed under subsection (a) may not take effect until the Secretary of Defense has submitted such regulations to—
((1)) the Committee on Armed Services and the Select Committee on Intelligence of the Senate; and
((2)) the Committee on Armed Services and the Permanent Select Committee on Intelligence of the House of Representatives.
((e)) Subsection (a) applies to members of the armed forces who—
((1)) are assigned—
((A)) to Defense Attaché Offices or Defense Intelligence Agency Liaison Offices outside the United States; or
((B)) to the Defense Intelligence Agency and engaged in intelligence-related duties outside the United States; and
((2)) are designated by the Secretary of Defense for the purposes of subsection (a).