A document request letter to a borrower lists each missing item by name, account, period and page count, says why it is needed and gives a due date and a way to send it. Specific requests for bank statements and explanation letters come back right the first time. Vague ones like "updated statements" start a second round.
What goes in a document request letter to a borrower?
A document request letter to a borrower needs five parts: a short reason for the request, a numbered list of items, the exact details of each item, a due date and the upload method. Borrowers read these letters on a phone between other tasks, so each item has to make sense on its own line.
The details that matter most for bank statements are the account, identified by type and last four digits, the months by name, and the instruction to send every page. For any letter the borrower must write, say what the letter has to cover and who signs it. The due date should be a date, not "as soon as possible." The upload method should be one method, with a link or address, so documents do not arrive split across email, text and a portal.
Keep the letter to one screen if you can. A borrower who has to scroll through three paragraphs of compliance language before the list will miss items.
A document request letter template for bank statements
A document request letter template for bank statements names the account, the months and the full page count, and asks for the bank's own statement rather than a screenshot or transaction export. The template below can be pasted into an email or a portal message. Values in brackets are examples.
Hi [Dana],
To keep your loan on schedule, the underwriter needs the items below. Please upload them to [the secure portal link] by [Thursday, May 14].
- Business checking ending [6208]: the full [March and April 2026] statements, every page. The March statement shows "page 1 of 4" and we have pages 1 and 2 only.
- Personal savings ending [0932]: the full [April 2026] statement, every page, including any blank last page.
- Please download each statement as the PDF your bank provides under "Statements" or "Documents." Screenshots and transaction lists cannot be used.
If an account above is closed or you cannot find a month, reply and tell me which one. Thank you.
The note about the bank's PDF matters most on bank statement programs, where the underwriter rebuilds income from every month. A borrower applying for an interest-only bank statement loan is usually asked for 12 or 24 months, and one screenshot in place of a statement can hold up the whole income calculation.
A document request letter template for letters of explanation
A document request letter template for a letter of explanation tells the borrower which transaction to explain, what the explanation must cover, what proof to attach and that the letter must be signed and dated. Underwriters reject explanations that answer the wrong question or arrive without the document behind the story. Values in brackets are examples.
Hi [Dana],
The underwriter has one question about your statements. Please send a short signed and dated letter covering the item below, with the supporting document, by [Thursday, May 14].
- Deposit of [$21,500] on [April 9, 2026] into business checking ending [6208]. Please explain where the money came from, and attach a copy of the [invoice, contract or settlement statement] that matches the amount.
The letter can be a few sentences in your own words. It should include your name, the date, your signature and the account and date of the deposit.
The phrase "attach a copy" does the real work. A borrower who reads only "please explain" will send a one-line email, and the condition comes back again.
Why do borrowers send the wrong documents after a request letter?
Borrowers send the wrong documents after a request letter because the letter leaves room to guess. "Recent statements" could mean any month. "All accounts" could mean the accounts on the application or every account the borrower has ever opened. The borrower picks the easier reading, and the processor sends a second letter.
Here are vague lines and specific rewrites, as examples:
- "Updated bank statements" becomes "The full April 2026 statement for checking ending 6208, all pages."
- "Explain large deposits" becomes "A signed letter explaining the $21,500 deposit on April 9, plus the invoice or contract for it."
- "Proof of business" becomes "Your current business license or state registration showing your name and the business name."
- "Missing pages" becomes "Pages 3 and 4 of the March statement, which reads page 1 of 4."
Ask for everything at once. Before a request goes out, compare the file against the broker loan submission checklist so the borrower gets one complete list instead of three partial ones. When the statements arrive, TrueBankFlow flags large deposits, NSF fees and overdrafts with their dates and statement lines, which gives you the exact items to name in an explanation request.
Tracking each document request letter until the file is complete
Tracking a document request letter means logging every numbered item with its sent date, due date and received date, then checking each returned document against the request before marking it done. A letter is not complete because the borrower replied. It is complete when every item matches what was asked.
Keep the log with the loan, not in an inbox. For each item, record:
- The item number and wording from the letter.
- The date sent and the date due.
- The date received and who checked it.
- Whether it matched: right account, right months, all pages, signed if required.
When an item comes back wrong, reply the same day and quote the original line. Follow up once on the due date, then call. Files with open requests should show up in the daily pipeline review, and the guide to loan pipeline management for lending teams covers how to surface those waiting items before they push back a closing date.
If you would rather find the statement questions before writing the letter, get started with TrueBankFlow.