; (2) by striking Units and inserting (A) Except as provided under subparagraph (B), units ; and (3) by adding at the end the following new subparagraph: (B) In the event the President's budget is delivered later than April 1st in the year prior to the year of the mobilization of one or more units under this section, the Secretary concerned may submit to Congress the information required under subparagraph (A) in a separate notice. . 524. Alternating selection of officers of the National Guard and the Reserves as deputy commanders of certain combatant commands Section 164(e)(4) of title 10, United States Code, is amended— (1) by inserting (A) before At least one deputy commander