This number would be found on the notice you received from the Department of Taxation and Finance.
Please see the following sample for where you would find your document locator number on the top right of the notice. It will be below the Case ID and starts with DLN.
Sample request letter with Document locator number
See the following link for more information on how to respond to your letter.
Instructions for responding to a letter
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"
