; and (2) by adding at the end the following: (b) Alternative verification method A jurisdiction may allow a sex offender to comply with the requirements under subsection (a) by an alternative verification method approved by the Attorney General, except that each offender shall appear in person not less than one time per year. The Attorney General shall approve an alternative verification method described in this subsection prior to its implementation by a jurisdiction in order to ensure that such method provides for verification that is sufficient to ensure the public safety. . 211. Clarification of aggravated sexual abuse Section 111(8) of the Adam Walsh Child Protection and Safety Act of 2006 ( 34 U.S.C. 20911(8) ) is amended by inserting subsection (a) or (b) of before section 2241 of title 18, United States Code . 212. Comprehensive examination of sex offender issues Section 634(c) of the Adam Walsh Child Protection and Safety Act of 2006 is amended by adding at the end the following: (3) Additional report Not later than 1 year after the date of enactment of the Adam Walsh Reauthorization Act of 2018, the National Institute of Justice shall submit to Congress a report on the public safety impact, recidivism, and collateral consequences of long-term registration of juvenile sex offenders, based on the information collected for the study under subsection (a) and any other information the National Institute of Justice determines necessary for such report. . 213. Assisting States with juvenile registration Section 125 of the Adam Walsh Child Protection and Safety Act of 2006 ( 34 U.S.C. 20927 ) is amended by adding at the end the following: (e) Substantial implementation for juvenile registration requirements (1) In general In the case of a jurisdiction that uses a discretionary process for determining whether registration under this Act is required for juveniles 14 years of age or older who are adjudicated delinquent for sex offenses described in section 111(8), the Attorney General, in assessing whether the