1. Short title This Act may be cited as the Reunite Every Unaccompanied Newborn Infant, Toddler and other children Expeditiously Act or the REUNITE Act . 2. Definitions In this Act: (1) Apprehended parent or legal guardian The term apprehended parent or legal guardian means an alien who— (A) is 18 years of age or older; (B) is the parent or legal guardian of an alien child; and (C) was apprehended by DHS, the Department of Justice, or any other entity authorized to enforce section 275 of the Immigration and Nationality Act ( 8 U.S.C. 1325 ). (2) Border The term border means an international border of the United States. (3) Child The term child means an alien who— (A) has not reached 18 years of age; and (B) has no permanent immigration status in the United States. (4) DHS The term DHS means the Department of Homeland Security. (5) HHS The term HHS means the Department of Health and Human Services. 3. Reunification of separated families (a) Rulemaking (1) Rule Not later than 10 days after the date of the enactment of this Act, the Secretary of Homeland Security and the Secretary of Health and Human Services, after immediate consultation with humanitarian organizations, child welfare organizations, State child welfare agencies, and States contiguous with the border with Mexico, shall promulgate and publish a rule through a direct final rule that specifically describes the coordinated efforts that DHS and HHS will undertake to aid an apprehended parent or legal guardian in locating and reuniting with any children separated from them at or near the port of entry, or within 100 miles of the border, pursuant to applicable law. (2) Development; services; publication The rule promulgated pursuant to paragraph (1) shall— (A) be developed to protect the best interests of affected children; (B) describe all pro bono or government-funded services, including immigration services, available for apprehended parents and legal guardians or affected children