All sales or resales held prior to April 14, 1951, pursuant to N.C. Gen. Stat. § 105-374, where the advertisement was in accordance with N.C. Gen. Stat. § 1-327 and 1-328 as provided by such sections prior to their repeal, are validated to the same extent as if such advertisement were in accordance with Article 29A of Chapter 1 of the N.C. Gen. Stat.; and all such sales, where the provisions of N.C. Gen. Stat. § 45-28 as to resales, as provided by such section prior to its repeal, were followed, are validated to the same extent as if the resale procedure provided for in Article 29A of Chapter 1 of the N.C. Gen. Stat. had been followed. (1951, c. 1036, s. 2; 1971, c. 806, s. 1; 1987, c. 777, s. 4(1).)