; and (3) all activities described in subsection (b) shall be considered inherently governmental functions and may not be carried out by any persons other than employees of the United States Border Patrol. (b) Authorities described This section applies with respect to any authority relating to the recruitment, selection, and appointment of applicants (including the conducting of any investigation necessary to approve or grant security clearances) for United States Border Patrol agents, law enforcement officers (other than United States Border Patrol agents), and such other positions within the United States Border Patrol as the head of the United States Border Patrol may by regulation determine. (c) Regulations The head of the United States Border Patrol shall by regulation identify the specific authorities, including citations to the relevant provisions of law, rule, or regulation, to which this section applies. 633. Training facilities The Secretary of Homeland Security shall ensure that the training facilities used to train newly hired United States Border Patrol agents are sufficiently spacious and modern to ensure that all recruits are afforded the highest possible quality training, as well as reasonably comfortable living conditions. All dormitories shall be constructed so that each trainee is housed in separate quarters. Moreover, the Secretary shall ensure that the training sites selected contains adequate housing for all permanent and temporary instructors within the local commuting area. 634. Operational facilities The Secretary of Homeland Security shall ensure that all operational facilities of the United States Border Patrol are well-equipped and sufficiently spacious and modern to enable all of the personnel assigned to such facilities to efficiently accomplish the agency’s mission. 635. Maximum student loan repayments for United States Border Patrol agents Section 5379(b) of title 5, United States Code, is amended by adding at the end the following: (4) In the case of an employee (otherwise