; and (B) any leave bank program established pursuant to paragraph (1) shall be consistent with the requirements and conditions provided for agency leave bank programs in subchapter IV of such chapter. (3) Participation by a health-care professional in the leave transfer program established pursuant to paragraph (1), and in any leave bank program established pursuant to such paragraph, shall be voluntary. The Secretary may not require any health-care professional to participate in such a program. (4) (A) The Secretary and the Director of the Office of Personnel Management may enter into an agreement that permits health-care professionals referred to in paragraph (1) to participate in the leave transfer program established by the Director of the Office of Personnel Management under subchapter III of chapter 63 of title 5 or in any leave bank program established for other employees of the Department pursuant to subchapter IV of chapter 63 of title 5, or both. (B) Participation of such health-care professionals in a leave transfer program or a leave bank program pursuant to an agreement entered into under subparagraph (A) shall be subject to such requirements and conditions as may be prescribed in such agreement. (5) The Secretary is not required to establish a leave transfer program for any personnel permitted to participate in a leave transfer program pursuant to an agreement referred to in paragraph (4). (b) Application of Federal leave policy for disabled veterans Section 6329 of title 5 shall apply to all health-care professionals in positions listed in section 7401(1) of this title. . (b) Repeal of transferred authority Section 7423 of such title is amended— (1) by striking subsection (e); and (2) by redesignating subsection (f) as subsection (e). (c) Clerical amendment The table of sections at the beginning of chapter 74 of such title is amended by inserting after the item relating to section 7423 the following new item: 7423A. Personnel administration: leave. .