It's temporary (90 days) subject to other agencies forming a more permanent solution. On important note to me was this: In addition, this limited suspension will facilitate ongoing negotiations with Mexico and other countries regarding appropriate cooperative arrangements to prevent unlawful mass migration to the United States through the southern border. Thus, this proclamation is also necessary to manage and conduct the foreign affairs of the United States effectively. Basically, those other countries are being messaged that the hammer will fall if you don't pay attention to this issue.