Date AnnouncedAug. 2, 2019
Pursuant to the MPP, the U.S. government has reportedly sent approximately 3,000 people with pending U.S. immigration proceedings to wait in Mexico’s Tamaulipas state under the MPP program. According to the Tamaulipas state immigration office, the United States is sending back groups of 50 to 100 migrants almost daily to the border city of Matamoros.
[ID #98]View Policy Document
Effective Date of ChangeJuly 19, 2019
Subsequent ActionMarch 11, 2020
A federal district court judge initially enjoined the MPP policy, but 9th Circuit stayed the injunction pending further litigation. Subsequently, on March 11, 2020, the Supreme Court issued an order allowing MPP to continue in force. See Innovation Law Lab v. Nielsen, Case No. 3:19-cv-00807 (N.D. Cal.).ACLU | Innovation Law Lab v. Wolf
**Litigation is listed for informational purposes and is not comprehensive. For the current status of legal challenges, check other sources.**
MPP implementation began at the San Ysidro port of entry on or about January 28, 2019 with the intention that MPP implementation would expand eventually across the southern border. Prior to MPP, an asylum seeker at the border, upon demonstrating a credible fear of persecution, was permitted to wait in the U.S. pending their removal hearing and asylum adjudication.8 U.S.C. § 1158 - Asylum