A request for an affidavit or declaration can make an ordinary account feel intimidating. The useful starting point is the purpose of the document: someone needs an attributable statement of facts. Before writing, establish who will receive it, which form is required, and what questions it needs to answer.

Identify the required form

An affidavit generally involves an oath or affirmation before an authorised official. A declaration may follow a different process. In federal matters, 28 U.S.C. § 1746 permits certain unsworn statements under penalty of perjury, subject to statutory requirements and exceptions. That provision is not permission to replace every sworn document. Use the instructions for the particular court, agency, or transaction.

Separate observation from inference

Draft a timeline in your own words. For each entry, ask whether you saw the event, read about it later, or heard another person describe it. A statement such as “the package was absent when I arrived” describes an observation. An accusation about who removed it goes further. Mark uncertain dates as uncertain rather than supplying a precise date you cannot support.

Give documents a clear role

Keep a separate list of the messages, receipts, photographs, and other records that inform your account. Describe how you recognise a document and preserve its complete version. If an attachment is requested, match its label to the reference in your statement. A tidy bundle helps the reader follow the sequence, but it does not itself establish whether evidence is legally admissible.

Review the account as its author

Read every paragraph before signing, including text prepared by someone else. Correct language that overstates your certainty or describes events outside your knowledge. Ask for an explanation of unfamiliar wording. Translation needs should be addressed before execution. Keep a copy of the exact final statement and attachments, so later questions can be answered against the same version rather than a remembered draft.

Resolve procedural questions early

Confirm signature, witnessing, notarisation, filing, and delivery requirements with the relevant instructions or a lawyer. A well-written narrative can still be unsuitable if it uses the wrong procedure. If you discover a mistake after submission, seek guidance about correcting it openly. Do not quietly replace the retained copy or assume a second document automatically cancels the first statement.

Keep it practical

Your preparation list

  • Confirm the recipient and required form.
  • Mark the limits of your knowledge.
  • Match every attachment to its label.
  • Retain the final signed version.

Reference points: 28 U.S.C. § 1746; U.S. Courts forms directory. Federal requirements do not replace state or case-specific rules. Reviewed September 30, 2026.

General information, not legal advice. The relevant law, documents, and circumstances determine the next step in an individual matter.