(a) Any person who fails to comply with subsection (b) of Code Section 7-4-3 or Code Section 7-4-4 with respect to any person is liable to such person in an amount equal to the sum of:
(1) Any actual damage sustained by such person as a result of the
failure; and
(2) Twice the amount of any interest or finance charge contracted for in connection with the transaction, except that the liability under this paragraph shall not be less than $100.00 nor greater than
$1,000.00.
(b) Such liability may be asserted in an individual action only and may not be the subject of a class action; provided, however, that this
provision shall not apply to any class action pending prior to March 31,
1983.