42 USC 5779 - Reporting requirement

(a) In general 
Each Federal, State, and local law enforcement agency shall report each case of a missing child under the age of 21 reported to such agency to the National Crime Information Center of the Department of Justice.
(b) Guidelines 
The Attorney General may establish guidelines for the collection of such reports including procedures for carrying out the purposes of this section and section 5780 of this title.[1]
(c) Annual summary 
The Attorney General shall publish an annual statistical summary of the reports received under this section and section 5780 of this title.
[1] See References in Text note below.