The key rule
For a voucher that has been approved, use Create Amendment beside that voucher in DTS. Add a clear reason, correct the trip record, attach supporting receipts, and sign again. If the voucher has not yet been approved, use the edit or adjustment process instead.
First check whether you need an edit, adjustment, or amendment
The document's approval history determines the process. DTMO distinguishes three situations:
| Status | Action |
|---|---|
| Created but never signed | Edit the voucher. |
| Signed but not yet approved | Adjust the voucher, then re-sign. |
| Approved at least once, including a paid voucher | Create an amendment to the voucher. |
Open the Vouchers list for a correction to a completed trip's claim. An authorization and a voucher are different documents. Amending the authorization alone does not correct an already submitted voucher's expense claim.
Create the amendment
- On the DTS dashboard, open Vouchers and locate the trip. If necessary, check Show inactive documents.
- Open the voucher's options menu, shown as three dots, and choose Create Amendment.
- Enter a concise explanation, then select Amend Document.
- Follow any access prompts. If the document opens view-only and you are authorized to edit it, clear the view-only option as directed by DTS.
If the amendment option is unavailable or the document is locked, ask your DTA to check the status and access. Do not create a second trip just to work around a locked document.
Correct the existing trip record
Add the missing eligible expense or correct the existing entry. Check the expense type, date, amount, payment method, and receipt. Preserve valid existing expenses; an amendment is the corrected trip record, not a new voucher containing only the difference.
If dates or locations changed, review the itinerary and every affected lodging and meal entry. An itinerary change can reset per diem amounts. If the correction concerns hotel taxes, verify the foreign versus non-foreign tax treatment before adding a new line.
A missed $45 lodging-tax expense
Your approved CONUS voucher included the room charges but omitted $45 of eligible lodging tax. Add the tax expense with the itemized folio and verify that those taxes were not already included elsewhere.
A useful amendment reason is:
Adding $45 in previously omitted CONUS lodging taxes for the hotel stay shown on the attached paid folio. Original room charges remain unchanged.
Use your own accurate dates, amounts, and explanation. Approval still depends on the applicable rules and documentation.
Review prior payments and split disbursement
A paid voucher already has a financial history. In Financial Summary, review prior payments, the corrected totals, and how any additional amount is directed between your GTCC and personal account.
Do not erase prior expenses or manually subtract the original payment from an expense just to force the expected difference. If the correction reduces your entitlement, it can create an amount due to the government. Ask your travel office about the resulting debt or payment handling.
If a line of accounting funded a prior payment, do not remove or change it without your DTA's guidance.
Sign the amendment and track it
Review the complete amended voucher, resolve required pre-audit flags, and attach supporting documents to the corresponding expenses. Sign and submit it through the appropriate routing list, including the final confirmation prompt. An amendment that is only saved has not been sent for approval.
Check its status and respond to returned-document comments. Keep the original receipts and the explanation of the correction with your trip records.
Common amendment questions
Can I add a receipt after the voucher is paid?
An approved voucher uses the amendment process when a change is needed. If your AO only needs supporting documentation and no cost change, follow that office's instructions for updating the record.
Does finding an expense mean I will be paid more?
No. It must be an eligible, supported expense that was not already reimbursed, subject to the applicable limits and approval. Reconcile the complete trip before claiming it.
Why is my voucher missing?
Confirm you are looking at Vouchers rather than Authorizations and check inactive documents. For older, archived, or inaccessible records, your DTA is the right next contact.
Sources and review notes
- DTMO: Create a Voucher from Authorization
The Change an Existing Voucher section describes voucher adjustments and amendments. - DTMO: Making Changes to DTS Documents — February 2025
Status definitions, inactive documents, amendment comments, and editing workflow. - DTS Guide 3: Vouchers — August 2026
Financial summary, prior payments, accounting, and signing.
Checked September 13, 2026. These guides explain common TDY cases; the rules applicable to your travel dates, orders, and circumstances control. Your AO or travel office can resolve exceptions. Examples are fictional and do not establish an entitlement.
Written and published by Southwind Digital LLC, the maker of TDY Slayer. Report a correction.