CFR › Title 7 › Part 3550 › §3550.1137 CFR §3550.113Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)Interest rate. The interest rate for all section 504 loans will be 1 percent.(b)Loan term. The repayment period for all section 504 loans will be 20 years.