Short answer: Compare your timeline, evidence inventory, and witness list. Mark important events that have little or no supporting documentation, and record why evidence may be missing rather than trying to manufacture a replacement.
This page provides general information and organization guidance only. It does not decide whether evidence is legally sufficient, tell you what to file, or replace advice from a licensed immigration attorney or DOJ-accredited representative.
Compare three basic lists
Place your timeline, evidence inventory, and witness list side by side. For each important event, ask what records you already have, what witnesses may have personal knowledge, and what records you expected to exist but cannot find.
A simple “gap” column can identify missing medical records, missing messages, unavailable witnesses, uncertain dates, or documents located abroad.
Record why something is missing
Evidence may never have existed, may have been lost, deleted, destroyed, left behind, or may be unsafe or impossible to obtain. Write down the factual reason as accurately as you can. Do not create a document to fill a gap, and do not put another person at risk simply to obtain a record.
USCIS materials discuss reasonably available corroborating evidence, but whether evidence is reasonably available is fact-specific.
Turn gaps into attorney questions
Bring the gap list to the meeting. Instead of asking only “Do I have enough evidence?”, ask concrete questions such as whether a missing record matters, whether another existing record may be relevant, or whether attempting to obtain a record could create a safety or privacy problem.
A lawyer can assess legal significance. Your job before the meeting is simply to make the missing pieces visible and accurately described.
A practical way to organize this
Use a simple evidence index with columns for date, source, file name, short description, language/translation status, and where the original is stored. Keep uncertain information marked as uncertain. Do not change an original document to make it fit a timeline or another record.
If you are preparing for an attorney meeting, bring the index and the records you already have. You can also use the free Evidence Toolkit to organize a timeline, evidence inventory, missing-evidence list, witness list, and attorney questions.
Check current sources before filing
Agency rules can change, and the rules for USCIS, Immigration Court, and the Board of Immigration Appeals are not identical. Verify the current source that applies to the forum handling the case.
- USCIS: Form I-589 and current instructions
- EOIR Policy Manual: Documents
- Immigration Justice Campaign: Asylum application and supporting evidence
For case-specific questions about relevance, disclosure, authentication, safety, deadlines, or how a document should be presented, use the Legal Help Center or speak with a qualified immigration representative.