(a) The provisions of section 501, of United States Public Law 96-221, as well as any modifications made to date, shall not apply to loans, mortgages, credit sales and advances made in this State.
(b) Effective July 1, 1995, sections 521-524 of United States Public Law 96-221, shall apply to loans, mortgages, credit sales, and advances made in this State on or after that date as if North Carolina had never opted out of sections 521-524 of United States Public Law 96-221.