74 Fed. Reg. 2824 (January 16, 2009)
The U.S. Department of Homeland Security (DHS) announced an Interim Final Rule, effective January 16, 2009, that replaces the current Guam Visa Waiver Program (VWP) with a new Visa Waiver Program for Guam and the Commonwealth of the Northern Mariana Islands (CNMI). U.S. Customs and Border Protection will begin implementing the new program effective June 1, 2009. This rule also authorizes CBP to establish as many as six new ports of entry in the region in order to enforce the Guam-CNMI VWP and to allow for immigration inspections under the Immigration and Nationality Act.