; or (ii) another court of competent jurisdiction. (B) Service of process In an action brought under paragraph (1), process may be served in any district in which the defendant— (i) is an inhabitant; or (ii) may be found. (6) Actions by other State officials (A) In general In addition to civil actions brought by attorneys general under paragraph (1), any other consumer protection officer of a State who is authorized by the State to do so may bring a civil action under paragraph (1), subject to the same requirements and limitations that apply under this subsection to civil actions brought by attorneys general. (B) Savings provision Nothing in this subsection may be construed to prohibit an authorized official of a State from initiating or continuing any proceeding in a court of the State for a violation of any civil or criminal law of the State. 5. Effective date (a) In general This Act shall take effect 180 days after the date of enactment of this Act. (b) Applicability to existing users of online platforms An individual who becomes a user of a covered online platform before the effective date under subsection (a) shall be treated as if he or she had become a user of the online platform on that effective date. (c) No retroactive applicability This Act shall not apply to any conduct that occurred before the effective date under subsection (a).