; and (3) by inserting after subsection (b) the following new subsection: (c) Exclusion of certain reserve officers (1) General or flag officers serving less than 180 days The limitations of this section do not apply to a reserve component general or flag officer who is on active duty for training or who is on active duty under a call or order specifying a period of less than 180 days. (2) General or flag officers serving 365 days or less The limitations of this section also do not apply to a number, as specified by the Secretary of the military department concerned, of reserve component general or flag officers authorized to serve on active duty for a period of not more than 365 days. The number so specified for an armed force may not exceed the number equal to 10 percent of the authorized number of general or flag officers, as the case may be, of that armed force under section 12004 of this title. In determining such number, any fraction shall be rounded down to the next whole number, except that such number shall be at least one. (3) General or flag officers serving more than 365 days The limitations of this section do not apply to a reserve component general or flag officer who is on active duty for a period in excess of 365 days but not to exceed three years, except that the number of such officers from each reserve component who are covered by this paragraph and not serving in a position that is a joint duty assignment for purposes of chapter 38 of this title may not exceed 5 per component, unless authorized by the Secretary of Defense. . C Authorization of appropriations 421. Military personnel There is hereby authorized to be appropriated for military personnel for fiscal year 2020 a total of $143,476,503,000. D Other matters 431. Authorities of Secretary of Defense and Service Secretaries to vary personnel end strengths (a) Authority for Secretary of Defense variances Section 115(f)(2) of title 10, United States Code, is amended by striking increase and inserting vary . (b) Authority for Service