; and (2) by redesignating paragraphs (3), (4), and (5) as paragraphs (2), (3), and (4), respectively. (b) Conforming amendment Such section is further amended by striking subsection (d). (c) Effective date The amendments made by this section shall take effect on the date of the enactment of this Act, and shall apply with respect to original appointments of regular commissioned officers of the Armed Forces made on or after that date. 504. Enhancement of availability of constructive service credit for private sector training or experience upon original appointment as a commissioned officer (a) Regular officers (1) In general Subsection (b) of section 533 of title 10, United States Code, is amended— (A) in paragraph (1), by striking subparagraph (D) and inserting the following new subparagraph (D): (D) Additional credit for special training or experience in a particular officer career field as designated by the Secretary concerned, if such training or experience is directly related to the operational needs of the armed force concerned. ; and (B) in paragraph (2)— (i) by striking Except as authorized by the Secretary concerned in individual cases and under regulations prescribed by the Secretary of Defense in the case of a medical or dental officer, the amount and inserting The amount ; and (ii) by striking in the grade of major in the Army, Air Force, or Marine Corps or lieutenant commander in the Navy and inserting in the grade of colonel in the Army, Air Force, or Marine Corps or captain in the Navy . (2) Repeal of temporary authority for service credit for critically necessary cyberspace-related experience Such section is further amended— (A) in subsections (a)(2) and (c), by striking or (g)