Amends GS 24-11 to increase the allowable interest charges from one and one-half percent to one and five-sixths percent per month on the extension of credit under an open‑end credit or similar plan where a service charge cannot be imposed if the account is paid in full within 25 days from the billing date, but upon which an annual charge of up to $24 is allowed. Also increases the allowable monthly rate for interest and service charges from one and one-half percent to one and five-sixths percent per month on revolving credit loans if it is agreed to in writing by the borrower. Increases the amount of the late fee that a lender may charge on accounts having an outstanding balance of $100 or more, from $10 to $25.