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Where this applies
Federal (USCIS). The same rules apply in every state. Local help is listed for San Mateo and Santa Clara counties.
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This page explains the disability exception and the age exceptions to the citizenship test. It is general information, not legal or medical advice. For the full citizenship process, start at the Immigration hub.

Is there really an exception for disability?

Yes. It is written into federal law. If a physical disability, a developmental disability or a mental impairment keeps you from learning or showing English, civics or both, USCIS can excuse you from that part of the test.

The condition must meet three tests:

  • It is medically determinable. A doctor can show it with accepted clinical or lab methods.
  • It has lasted, or is expected to last, at least 12 months.
  • It keeps you from meeting the requirement even with reasonable accommodations.

Memory loss can qualify when a doctor diagnoses the cause, such as dementia, a stroke or a brain injury, and explains how it stops you from learning. Being nervous, being older, or never having gone to school is not enough by itself. Those situations may fit the age rules or "due consideration" instead (see below).

The exception covers the English test, the civics test, or both. It does not excuse you from the other citizenship rules: five years (or three) as a green card holder, good moral character and the rest. See Can I become a US citizen? Check these warning signs first.

Can I take the test in my own language?

You may not need the disability exception at all. Check your age and years as a green card holder on the day you file:

You are And have been a green card holder for English test Civics test
50 or older 20 years or more Excused Still required, in your language with an interpreter
55 or older 15 years or more Excused Still required, in your language with an interpreter
65 or older 20 years or more Excused Easier version: 10 questions from a special list of 20, and you need 6 right

If you test in your own language, you bring the interpreter. They must be fluent in English and your language.

Officers also give "due consideration" to every applicant. They can choose topics and phrase questions with your age, schooling, background and years in the U.S. in mind. That does not excuse the test, but it can make it fairer.

What is an accommodation, and how is it different?

An accommodation changes how you take the test. You still take it. Examples USCIS gives:

  • a sign language interpreter
  • extra time for the English and civics parts
  • an interview and test at another location, such as your home

A disability exception (Form N-648) means you don't take that part at all, because even with an accommodation you could not pass.

You can ask for both. For example, a deaf applicant who also cannot learn civics because of a brain injury can send an N-648 and ask for an interpreter.

Ask for an accommodation online at uscis.gov/accommodations, or call the USCIS Contact Center for help in English or Spanish. Ask as soon as you get an appointment notice for fingerprints, the interview or the oath ceremony.

Who can fill out Form N-648?

Only three kinds of licensed professionals:

  • a medical doctor (MD)
  • a doctor of osteopathy (DO)
  • a clinical psychologist

They must be licensed in a U.S. state, D.C., Puerto Rico, Guam, the U.S. Virgin Islands or the Northern Mariana Islands. Nurse practitioners, physician assistants, therapists and counselors cannot sign it. You can look up a doctor's license with the state medical board.

The professional must examine you, in person or by a real time video visit where state law allows. Office staff can help fill in the form, but the doctor alone is responsible for what it says.

A doctor who already knows you and your condition is often the best choice. USCIS also says an officer may not reject your form just because your doctor shares your language, culture or background.

What must the doctor write on the form?

USCIS rejects a form as "insufficient" if anything below is missing. Show this list to your doctor:

  1. The diagnosis of each condition that keeps you from meeting the English or civics requirement.
  2. Whether each condition has lasted, or is expected to last, 12 months or more.
  3. A statement that the condition is not caused by illegal drug use.
  4. How the doctor diagnosed it: the clinical or lab methods used.
  5. The date the doctor last examined you.
  6. A clear explanation of how the condition stops you from learning or showing English, civics or both. USCIS calls this the "nexus." It must be about you, not a general statement anyone could get.
  7. All signatures: the doctor, you (or your guardian), and any interpreter who helped at the exam.

The doctor should use plain words a person without medical training can understand. Medical codes alone are not enough, but missing codes are not a reason to reject the form if the diagnosis is described well.

When and how do I send it?

Send one N-648 with your N-400. If you file online, upload a scanned copy in your USCIS account. If you file on paper, put it in the same envelope.

Filing it later, or at the interview, is a "late submission." USCIS accepts it only if you explain why it is late, for example if you became ill or your condition got worse after you filed. Bring records that show the change.

Sending more than one N-648 can make an officer doubt them, especially if two doctors describe your condition differently. Send one strong form, not several weak ones. If USCIS asks you for a new form, that does not count against you.

Keep a full copy of everything you send.

What happens at the interview?

The officer reviews the form and may ask you questions about it, in your language with an interpreter. You must still answer questions about your application and take the oath.

  • If the officer accepts the N-648, you skip the parts the doctor marked. If the doctor said you cannot speak English, the interview goes on in your language with an interpreter.
  • If the officer finds it insufficient, they must explain why. Then you take the test as if you had sent no N-648.
  • If you then pass the test, the officer must go on with your interview and may not find fraud just because you passed.
  • If you then fail, USCIS gives you a written request for evidence about the N-648 and a second test date 60 to 90 days later. You can bring a new or corrected N-648 then.

At the second interview, if the form is still not enough and you fail again, USCIS denies the application. There is no third try at that stage. After a denial you can still ask for a hearing; see My citizenship application was denied. What can I do?

Why are N-648 forms checked so closely now?

On June 13, 2025, USCIS changed its guidance to focus more on fraud. Officers now look for signs such as:

  • a form from someone who never really examined you
  • a doctor under investigation or disciplined by a medical board
  • medical records from your green card exam that conflict with the new diagnosis
  • answers at the interview that don't match the form
  • an interpreter suspected of fraud

If an officer has a real reason to doubt the form, USCIS can ask for medical records, proof the doctor examined you, or a new N-648 from a different doctor. A form found to involve fraud is sent to the USCIS fraud unit.

This is serious, but it should not scare off people with real disabilities. USCIS still presumes your doctor's diagnosis is valid unless there is credible evidence otherwise. The answer is an honest form from a doctor who truly knows your condition.

What does it cost?

The N-648 itself has no filing fee. You still pay for the citizenship application, Form N-400, unless you qualify for a waiver. USCIS lists these fees, checked October 21, 2026:

How you file Fee
N-400 on paper $760
N-400 online $710
Reduced fee, household income at or below 400% of the federal poverty guidelines (paper only) $380
Fee waiver (Form I-912), for example if you get a means tested benefit or your income is at or below 150% of the poverty guidelines (paper only) $0

Your doctor may charge for the exam and the form. Ask before the visit.

What about the Oath of Allegiance?

Everyone must take the oath to become a citizen, unless USCIS waives it. A waiver is possible when a disability or impairment keeps a person from understanding or communicating the meaning of the oath. The doctor marks this on the N-648. A legal guardian, surrogate or designated representative then acts for the applicant.

This is a separate question from the English and civics test. A person can be excused from the test and still understand the oath. Talk to a lawyer if a family member may need an oath waiver.

What mistakes should I avoid?

  • Using a doctor who is not an MD, DO or clinical psychologist.
  • A form signed more than 180 days before you file.
  • A short form that names a diagnosis but doesn't explain how it stops you from learning.
  • Leaving out the interpreter's signature when an interpreter helped at the exam.
  • Telling the officer something different from what the form says. Be honest about what you can and can't do.
  • Sending a second N-648 from a new doctor without explaining why.
  • Skipping a USCIS appointment. Missing the second test without a good reason counts as a failed try.

Who can help?

Contact them to confirm hours, languages and openings. Being listed here is not a referral or a promise of service.

  • Community Legal Services in East Palo Alto: 650-326-6440. Walk in help Monday to Friday, 9 a.m. to 1 p.m., 1861 Bay Road (checked October 18, 2026).
  • Immigration Institute of the Bay Area, Redwood City: free first consultation by appointment, (650) 587-1558. Citizenship workshop registration, (650) 780-7530. Workshops run the second Tuesday of each month.
  • SIREN, San Jose: (408) 453-3003, by appointment.
  • Asian Law Alliance, San Jose: (408) 287-9710.
  • Anywhere in California: the state's map of free immigration legal services, or (916) 651-8017.

Only an attorney or a DOJ accredited representative may give you legal advice. For more options, see Free legal help in the Bay Area.

Questions people ask

My mother has dementia. Can she still become a citizen? Often, yes. Her doctor can complete an N-648 for the test. If she cannot understand the oath, the doctor can say so and a family member may act for her under USCIS rules. Talk with a lawyer first.

I never went to school and can't read in any language. Does that count? Not by itself. The exception is for a medical condition. You may still qualify for the age exceptions, and officers must give due consideration to your schooling. A free citizenship class can help; see How to study for the citizenship test.

Does my doctor need to be from a special list? No. Any MD, DO or clinical psychologist licensed in the U.S. can sign. Your own doctor is fine if they examine you and know your condition.

Can I use the N-648 for English only and take civics? Yes. The doctor marks which parts you cannot do.

Will asking for an exception hurt my case? No, if it's honest. It is a legal right. Problems come from forms that are weak, conflicting or false.

Is there a checklist I can print?

You deserve a fair chance at citizenship, whatever your body or mind carries. Take it one step at a time. We are cheering for you.

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