enlists or accepts appointment, before attaining the age of 26 years, in the Ready Reserve of any Reserve component of the Armed Forces, the Army National Guard, or the Air National Guard, shall be deferred from training and service under this title [sections
of this Appendix] so long as he serves satisfactorily as a member of an organized unit of such Reserve or National Guard in accordance with section
, United States Code, as the case may be, or satisfactorily performs such other Ready Reserve service as may be prescribed by the Secretary of Defense. Enlistments or appointments under subparagraphs (ii) and (iii) of this clause may be accepted notwithstanding the provisions of section
of this title [section
of this Appendix]. Notwithstanding the provisions of subsection (h) of this section, no person deferred under this clause who has completed six years of such satisfactory service as a member of the Ready Reserve or National Guard, and who during such service has performed active duty for training with an armed force for not less than twelve consecutive weeks, shall be liable for induction for training and service under this Act, except after a declaration of war or national emergency made by the Congress after August 9, 1955. In no event shall the number of enlistments or appointments made under authority of this paragraph in any fiscal year in any Reserve component of the Armed Forces or in the Army National Guard or the Air National Guard cause the personnel strength of such Reserve component or the Army National Guard or the Air National Guard, as the case may be, to exceed the personnel strength for which funds have been made available by the Congress for such fiscal year.