preclearance

noun2

1. •
   A procedure to arrange for clearing customs or immigration in advance.

   • The customs service announced new preclearance regulations last week.
2. •
   (US) Advance approval by a federal court or the Department of Justice for changes to voting regulations in certain states under the 1965 Voting Rights Act.

   • The great state of Alabama believes that preclearance is a relic of the past.