(a) An action under § 7803(b) of this title for:
(1) An unauthorized disclosure may not be brought later than 4 years from the date the disclosure was discovered or should have been discovered with the exercise of reasonable diligence.
(2) A threat to disclose may not be brought later than 4 years from the date of the threat to disclose.
(b) In an action under § 7803(b) of this title by a depicted individual who was a minor on the date of the disclosure or threat to disclose, the time specified in subsection (a) of this section does not begin to run until the depicted individual attained 18 years of age.