A sex offender shall appear in person, allow the jurisdiction to take a current photograph, and verify the information in each registry in which that offender is required to be registered not less frequently than—
(1) each year, if the offender is a tier I sex offender;
(2) every 6 months, if the offender is a tier II sex offender; and
(3) every 3 months, if the offender is a tier III sex offender.
(Pub. L. 109–248, title I, § 116, July 27, 2006, 120 Stat. 595.)