; (4) may perform work that is considered inherently governmental in nature only when requested in writing by the Secretary; and (5) may not be used to circumvent any limitation or restriction on the size of the Department’s workforce. (g) Prohibition against charging certain costs to the Federal Government A private-sector organization may not charge the Department or any other agency of the Federal Government, as direct or indirect costs under a Federal contract, the costs of pay or benefits paid by the organization to an employee assigned to the Department under this section for the period of the assignment. (h) Considerations In carrying out this section, the Secretary— (1) shall ensure that, of the assignments made under this section each year, at least 20 percent are from small business concerns (as defined by section 3703(e)(2)(A) of title 5); (2) shall take into consideration the question of how assignments under this section might best be used to help meet the needs of the Department with respect to the training of employees; and (3) shall take into consideration, where applicable, areas of particular private sector expertise, such as information technology, cybersecurity, human resources, health care management, contracting, acquisition, and finance. . (b) Table of sections amendment The table of sections at the beginning of such chapter, as amended by section 201, is further amended by inserting after the item relating to section 724 the following new item: 725. Public-private talent exchange. . 203. Treatment of Medical Center Directors and Directors of Veterans Integrated Service Networks (a) Establishment of VISN Directors in Office of Under Secretary for Health Subsection (a)(4) of section 7306 of title 38, United States Code, is amended— (1) by striking Such Medical Directors and inserting Such Medical Center Directors and Directors of Veterans Integrated Service Networks