; (2) compel compliance with such provision; or (3) obtain relief under section 406. (b) Rights of agency Before initiating a civil action under subsection (a), the State attorney general or State privacy regulator, as the case may be, shall notify the Agency in writing of such civil action. Upon receiving notice with respect to a civil action, the Agency may— (1) intervene in such action; and (2) upon intervening— (A) be heard on all matters arising in such civil action