Here is the general order of the rulemaking process under the Administrative Procedure Act (APA). There can be variations, but this is the general process.
Nonimmigrants and lawful permanent residents must carry their "evidence of registration" document at all times. Usually, this is Form I-94 for nonimmigrants, or Form I-551 (green card) for lawful permanent residents. They must also report any address changes within 10 days of the address change.
March 6, 2017, President Trump issued a Presidential Memorandum to the Secretary of State, the Secretary of Homeland Security, and the Attorney General with the subject line: Implementing Immediate Heightened Screening and Vetting of Applications for Visas and Other Immigration Benefits, Ensuring
Legacy INS memo states, "Where an adjudicator is aware that the beneficiary’s status has expired, or will have expired by the H-1B effective date, change of status will be denied even if the petition is approved on its merits." The memo also states that "Likewise, changes of status will be approved
ICE added an item titled "Practical Training Reform" to the Department of Homeland Security (DHS) Fall 2017 Regulatory Agenda. This page will track developments on an eventual proposed and final rule.
NAFSA compilation of immigration-related regulatory actions in the current Unified Agenda of Regulatory and Deregulatory Actions that are most relevant to institutions that invite international students and scholars to the United States.
On August 9, 2018, USCIS made fundamental changes to its policy on how an immigration status violation might lead to a finding that an F, M, or J nonimmigrant should be subject to the 3- or 10-year reentry bar provisions of INA 212(a)(9)(B). A February 6, 2020 nationwide permanent injunction blocked