An action to enforce a claim arising under AS 45.50.562 - 45.50.596 is barred unless commenced within four years after the claim accrues, except that when an action is brought by the attorney general under AS 45.50.562 - 45.50.596, the running of this period of limitation, with respect to every private right of action for damages that is based in whole or in part on a matter complained of in the action by the attorney general, shall be suspended during the pendency of the action brought by the attorney general. For the purpose of this section, a claim for a continuing violation is considered to accrue at any time during the period of the violation.