61 STAT.] 80TH CONG., 1ST SESS.-CH. 512 -AUG. 7, 1947 (b) The appointment of such officers in the Staff Corps of the Staff Corps. Regular Navy is hereby limited to such appointments in the Supply Corps and Civil Engineer Corps. (c) The eligibility of commissioned warrant officers; warrant offi- Determination of cers; chief petty officers; and petty officers, first class, for appoint-ig ment pursuant to the authority of subsection (a) of this section shall be determined in accordance with rules to be prescribed by the Secre- tary of the Navy, but no person shall be eligible for such appointment until he shall have completed ten years of active service in the Navy. (d) The provisions of subsections (a) and (c) of this section shall Marine Corps. be applicable in like manner and with like effect, except as may be necessary to adapt the same thereto, to the Regular Marine Corps. (e) The total number of officers on the active list of the line of the fficers appointed Regular Navy appointed for limited duty only shall not exceed, in any year, a number equal to 622/oo per centum of the total number of officers holding permanent appointments on the active list of the line, exclusive of officers designated for engineering duty, aeronautical engineering duty, and special duty, of the Regular Navy in that year. (f) The number of officers on the active list of the staff corps con- cerned appointed for limited duty only shall not in any year exceed the following proportions of the authorized number of officers appointed for limited duty only of the active list of the line in that year: In the Supply Corps, 12 per centum; in the Civil Engineer Corps, 3 per centum. (g) The total number of officers on the active list of the Marine Marine Corps. Corps appointed for limited duty only shall not exceed, in any year, a number equal to 622Yoo per centum of the total number of officers holding permanent appointments on the active list, exclusive of officers designated for supply duty, of the Marine Corps in that year. (h) For two years after the date of approval of this Act, the Presi- meOginbyarepint dent may make original appointments, pursuant to the provisions of the preceding subsections of this section, in the grade of commander or any lower grade, in accordance with the needs of the service as determined by him, but, with respect to line officers appointed for limited duty only, not to exceed in any grade the maximum number of such officers for that grade as last computed pursuant to subsection 103 (f). No person shall be eligible for original appointmenlt in a Eligibility. grade above ensign except he shall have completed service in the Navy as follows: For commander, twenty-eight years; for lieutenant com- mander, twenty-two years; for lieutenant, sixteen years; for lieutenant (junior grade), thirteen years. Commissioned warrant officers; war- rant officers; chief petty officers; and petty officers, first class, of the Regular Navy, who are otherwise eligible, shall be eligible for such appointment, notwithstanding that they may be serving in commis- sioned grades by virtue of temporary appointment therein, but no such person shall be so appointed in a higher grade or with a higher linealrank in grade than the grade and lineal rank in grade held by him by virtue of his temporary appointment. Original appointments Dates of rank. etc. pursuant to this subsection shall be effected with such dates of rank and registered numbers as may be necessary to place each appointee in a lineal position within the grade to which initially appointed com- mensurate as far as possible with his total length of active naval service. Officers originally appointed pursuant to this subsection to Excessn grade. a grade above lieutenant (junior grade) in the line shall be carried as excess in grade until the next subsequent annual computation shall be made to determine the total numbers of line officers authorized in the grade concerned. (i) Upon the termination of subsection (h) of this section all Appointments in original appointments effected pursuant to the authority of sub- grad section (a) of this section shall be in the grade of ensign. 871
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