The submission number is crucial for payment memos and inquiries. Learn how to locate it in your report files.

1. Go to Reporting > Report History.
2. Use the quick filters to find the report, then click the More options icon in the Actions column and select Download.
   
3. Open the report package and find the .txt or .hde NAUPA file. The submission number is at the end of the file name directly before ".txt" or ".hde."
   In this example, "C7009a5603" is the submission number.