; and (B) by striking or Puerto Rico and inserting American Samoa, Guam, Puerto Rico, the Northern Mariana Islands, the Virgin Islands of the United States, and any other territory of the United States ; and (7) in subsection (h), by striking fiscal year 2004 and inserting each of fiscal years 2018 through 2022 . (b) Technical and conforming amendment The table of contents in section 1(b) of the PROTECT Act ( Public Law 108–21 ) is amended by striking the item relating to section 303 and inserting the following: Sec. 303. Grant program for notification and communications systems along highways and major transportation routes for recovery of abducted children. . 4. AMBER Alert communication plans in the territories Section 304 of the PROTECT Act ( 34 U.S.C. 20504 ) is amended— (1) in subsection (b)(4), by inserting after with the following: a territorial government or ; (2) by amending subsection (c) to read as follows: (c) Federal share (1) In general Except as provided in paragraph (2), the Federal share of the cost of any activities funded by a grant under this section may not exceed 50 percent. (2) Waiver If the Attorney General determines that American Samoa, Guam, the Northern Mariana Islands, Puerto Rico, the Virgin Islands of the United States, or an Indian tribe is unable to comply with the requirement under paragraph (1), the Attorney General shall waive such requirement. ; and (3) in subsection (d), by inserting before the period at the end the following: , including territories of the United States . 5. Government Accountability Office report (a) In general Not later than 5 years after the date of the enactment of this Act, the Comptroller General shall conduct a study assessing— (1) the implementation of the amendments made by this Act; (2) any challenges related to integrating the territories of the United States into the AMBER Alert system