N-648 MEDICAL CERTIFICATION SUPPORT PACKET
COVER LETTER AND EVIDENCE CHECKLIST
Filing Overview
- Applicant: [NAME], A#: [A-NUMBER]
- N-400 status: [PENDING/TO BE FILED]; Field office: [OFFICE]
- Medical provider: [NAME, LICENSE/DEGREE], Specialty: [SPECIALTY]
Packet Order (suggested)
1) Cover letter (this document).
2) Form N-648 completed by licensed medical provider (original signature).
3) Copy of provider license and credentials (if helpful).
4) Medical evidence supporting diagnosis and functional limitations (records, test results, treatment notes).
5) Translation certifications if needed.
6) N-400 filing receipt (if pending) or note of concurrent filing.
7) G-28 (if used).
Cover Letter Body (sample)
text
Date: [DATE]
USCIS [FIELD OFFICE/LOCKBOX]
RE: Form N-648 Medical Disability Exception for [NAME, A#]
Dear Sir/Madam:
Enclosed please find Form N-648 and supporting medical records establishing that the applicant is unable, because of physical or developmental disability or mental impairment, to meet the English/civics requirements for naturalization. The N-648 is completed by [PROVIDER], a licensed [SPECIALTY], and is based on examinations and treatment history noted in the attached records.
Respectfully,
[NAME/ATTORNEY]
[ADDRESS]
[PHONE] | [EMAIL]
Practice Notes
- Ensure N-648 addresses all required elements (diagnosis per DSM/ICD, onset, duration, causal link to learning/testing ability).
- Avoid boilerplate; provider must explain how limitations prevent testing.
- Use interpreter info and accommodations if needed.
- Keep N-648 consistent with N-400 answers and medical history.
- Bring originals to interview; prepare applicant and provider for possible telephonic verification.