; (B) upon so intervening, to be heard on all matters arising therein; and (C) to file petitions for appeal. (3) Limitation on State action while Federal action is pending If the Commission has instituted a civil action for violation of this Act, no State attorney general, or official or agency of a State, may bring an action under this paragraph during the pendency of that action against any defendant named in the complaint of the Commission for any violation of this Act alleged in the complaint. (4) Relationship with State law claims If the attorney general of a State has authority to bring an action under State law directed at acts or practices that also violate this Act, the attorney general may assert the State law claim and a claim under this Act in the same civil action. (c) Savings clause Nothing in this subsection (b) shall preempt or otherwise affect any State or local law. (d) FBI enforcement The Federal Bureau of Investigation may exercise its full authority under section 2709 of title 18, United States Code, to investigate violations of this Act, and may share any information obtained under such section with the Federal Trade Commission for enforcement of this Act under subsection (a). (e) Criminal penalties Whoever owns, manages, or operates a social media company and acts in reckless disregard of the fact that content made available on the social media platform of such company in violation of section 2 contributed to terrorism, shall constitute an offense of “providing material support to terrorists” under section 2339A(a) of title 18, United States Code. 4. Definitions As used in this Act— (1) the term social media company means any person that owns, manages, or operates a social media platform and has an annual revenue in excess of $10,000,000