Customs and Border Protection Tips for International Travelers
All visitors, except U.S. citizens, resident aliens, immigrant visa holders, most Canadian citizens, must receive Form I-94 Arrival/Departure record at port of entry. Customs and Border Protection wants travelers to fill out application online before to reduce wait times.
United States Enrollment Centers Wait Times Us Customs And Border Protection Nternational Travelers To The Us Ormi 94 Application
Source: natlawreview.com