13 CFR § 120.213
What fixed interest rates may a Lender charge?
November 10, 2020
(a) Fixed Rates for Guaranteed Loans. A loan may have a reasonable fixed interest rate. SBA periodically publishes the maximum allowable rate in the Federal Register.
(b) Direct loans. A statutory formula based on the cost of money to the Federal government determines the interest rate on direct loans. SBA publishes the rate periodically in the Federal Register.