A. The repeal of Title 15.1 effective as of December 1, 1997, shall not affect the powers of any locality with respect to any ordinance, resolution or by-law adopted and not repealed or rescinded prior to such date.
B. The repeal of § 15.1-522 by this title shall not affect the exercise, by ordinance or otherwise, of any power conferred by this section upon any county which on November 30, 1997, was vested with such power and on or before such date exercised the power; and every power so conferred, vested and exercised is hereby continued in such cases.
C. For the purposes of this section, all laws and ordinances heretofore adopted by any county authorized to adopt such law or ordinance under former § 15.1-522 are hereby ratified, validated and confirmed, notwithstanding noncompliance with any technical requirement of such section.