the qualifications and credentials of contractors and workers performing HVAC installation, testing, adjusting and balancing, commissioning, fire and smoke damper and smoke control systems work, maintenance, and remediation in Federal facilities, including the extent to which departments and agencies require or verify that such contractors and workers hold personnel certifications administered under programs accredited to ISO/IEC 17024 by the ANSI National Accreditation Board, and the extent to which such work is performed by workers enrolled in or who have completed a registered apprenticeship program, as that term is defined under the Act of August 16, 1937 (
29 U.S.C. 50 et seq., commonly referred to as the “National Apprenticeship Act”).