ICE is the US government agency responsible for enforcing immigration laws inside the country, and the best way to deal with it is to give it no reason to approach you: keep your documents and deadlines up to date. Understanding what each agency does takes away a lot of the fear and helps you avoid mistakes.
What ICE is
ICE stands for U.S. Immigration and Customs Enforcement. It was created in 2003 by merging parts of the former customs and immigration agencies. According to ICE itself, it has three branches:
- ERO (Enforcement and Removal Operations): this is the part that enforces immigration law inside the country. It handles arrests, transportation, detention, bond and deportation.
- HSI (Homeland Security Investigations): this is the investigative branch, which handles crimes like drug and human trafficking, money laundering and child exploitation.
- OPLA (Office of the Principal Legal Advisor): these are the government's lawyers, who represent the Department of Homeland Security in deportation proceedings.
A common mix-up: ICE is not the agency that reviews visa, green card and citizenship applications. That is USCIS. The agency that checks people entering at airports and borders is CBP. They are different agencies, all within the same Department of Homeland Security.
What is happening now
Immigration rules change fast. One example is alien registration: on June 29, 2026, DHS published the final rule that confirms Form G-325R, created in March 2025 by an interim rule. To follow what ICE is doing, check the agency's official website, and confirm any rule on the USCIS website before making decisions.
How to stay current with the law
Staying current means meeting a few simple obligations that many people forget.
- Respect the deadline of your status. The end date is on your I-94. If you need more time, the extension request has to be filed before it expires.
- Register, if it applies to you. Federal law requires noncitizens who are 14 or older and who stay in the US for 30 days or more to be registered. Most people are already covered: if you have a green card, an I-94, a work permit or parole, you already have a registration. In 2025 the government created a new online process (Form G-325R) for people who had no registration at all, such as those who entered without inspection. The interim rule took effect on April 11, 2025 and became a final rule on June 29, 2026. Registration is free, done through a myUSCIS account, and most people need to go to a USCIS appointment to give fingerprints.
- Carry your proof. Noncitizens who are 18 or older must carry their registration certificate or receipt. In practice, people with a green card carry the card, and people with a visa carry their passport, visa and I-94. According to the rule published in the Federal Register, failing to carry proof is a misdemeanor, punishable by a fine of up to $5,000, up to 30 days in jail, or both. Willfully failing to register can bring a fine of up to $5,000, up to 6 months in jail, or both.
- Report a change of address within 10 days. You do it with Form AR-11 or in your USCIS account. It is one of the most forgotten obligations.
- Do not work without authorization and do not make false statements on any form or at the border.
- Keep copies of all your documents, on paper and in the cloud, and renew everything early. Renewal applications often take months.
- If you receive a Notice to Appear for a hearing, show up. Not going can result in a removal order in absentia, and that is very hard to reverse.
If an ICE agent approaches you
In general terms, and without replacing the advice of an attorney: you have the right to remain silent and to ask for a lawyer. At home, ask through the door whether the agent has a warrant signed by a judge, and know that a simple administrative notice does not authorize entry. Stay calm, do not run, and do not present false documents, which only makes things worse. If you have legal status, show your proof. Keep the number of an immigration attorney or a support organization, and leave a plan for your family with someone you trust.
Beware of scams
Fear of deportation feeds scammers. Be wary of "notarios" or consultants who promise a fast green card, ask for a large payment upfront, or claim to have contacts inside the government. To fill out forms with legal guidance, look for a licensed immigration attorney or an organization accredited by the Department of Justice.