629 section is not payable to any officer who, under any provision of law, has received an initial uniform reimbursement or allowance in excess of $200 during his current tour of active duty or within a period of two years prior to entering on his current tour of active duty: Provided further, That the reimbursement provided in this subsection is not payable to any officer entering on active duty within two years after completing a previous period of active duty of more than 90 days' duration. " (d) The receipt of a uniform and equipment reimbursement as an officer of one of the reserve components is a bar to entitlement to a uniform reimbursement upon transfer to or appointment in ani»ther, except where a different uniform is required: Provided, That reimbursement for uniforms and equipment upon transfer to or appointment in another reserve component within the limits and under the conditions prescribed by subsections (a) and (c) of this section may be made in accordance with regulations approved by the Secretary of Defense or the Secretary of the Treasury in the case of the Coast Guard when the Coast Guard is operating as a service in the Treasury Department. This subsection does not apply to members of the Army without component or of the Air Force without component. "(e) Subject to standards, policies, and procedures prescribed by the Secretary of Defense, the Secretary of each military department shall prescribe such regulations as he considers necessary to carry out this section. The Secretary of the Treasury, with the concurrence of the Secretary of the Navy, shall prescribe such regulations as he considers necessary to carry out this section, so far as it relates to the Coast Guard, except when the Coast Guard is operating as a service in the Navy. So far as practicable, regulations for all reserve components shall be uniform." "UNIFORM GRATUITY UPON TEMPORARY APPOINTMENT "SEC. 306. Enlisted members of the Navy, Marine Corps, or Coast Guard are entitled to $250 as a uniform gratuity upon initial appointment under section 5597 of title 10, United States Code, or under section 435 of title 14, United States Code." (e) Section 501(a) of the Career Compensaticn Act of 1949 (37 U.S.C. 301 (a)) is amended by striking out the words "by law and" after the words "to the extent provided for". (f) Section 501(b) of the Career Compensation Act of 1949 (37 U.S.C. 301 (b)) is amended by adding the following sentence at the end thereof: "Compensation under this section is not authorized for wt)rk or study performed by members of the reserve components in connection with correspondence courses of the armed forces." AMENDMENT TO N A T I O N A L S E C U R I T Y ACT O F 1947 SEC. 21. Section 302 of the National Security Act of 1947, as amended (63 Stat. 585), is amended to read as follows: "SEC. 302. The compensation of the Assistant Secretaries of Defense is that prescribed by law for assistant secretaries of executive departments. The Assistant Secretaries shall perform such duties as the Secretary of Defense may prescribe."