; and (5) use of all applicable authorities under law. III Workforce 301. Logging workforce (a) Training (1) Interstate training programs The Secretary of Agriculture, acting through the Chief of the Forest Service, shall work with States to develop a universal, tiered program to train persons to enter the logging workforce. (2) On-the-job training The Secretary concerned shall examine potential ways to facilitate apprenticeship training to increase knowledge and skills in an emerging logging workforce. (b) Modernizing machinery Using funds made available under section 40804(b)(3) of the Infrastructure Investment and Jobs Act ( 16 U.S.C. 6592a(b)(3) ), the Secretary of Agriculture shall provide low-interest loans or loan guarantees to persons, subject to such conditions as the Secretary of Agriculture determines to be necessary, for the acquisition of mechanized machinery for the purposes of decreasing injuries in the logging workforce. 302. Break-in-service consideration for firefighter retirements Notwithstanding sections 8336(c) and 8412(d) of title 5, United States Code, not later than May 1, 2024, the Secretary concerned, in coordination with the Secretary of Labor, shall promulgate regulations, as necessary, to ensure that a Federal wildland firefighter would not forfeit previously made contributions or eligibility for firefighter retirement when the wildland firefighter has a voluntary break in service of not more than 9 months. 303. Firefighter rental housing Notwithstanding OMB Circular No. A-45R, when the Secretary concerned requires a Federal wildland firefighter to occupy government housing, the Secretary concerned shall not deduct for government housing rent from the payroll of the wildland firefighter an amount that is greater than 40 percent of the pre-tax salary of the wildland firefighter. IV Cultural Change in Agencies 401. Mandatory use of existing authorities Not later than 3 years after the date of enactment of this Act, with respect to each unit of public lands and each unit of the National