All tabs of the spreadsheet must contain links to the PDF files of all source documentation contained in the rebate request. All source documentation must be kept for verification and additional documentation may be requested. The MDOR conducts a line-by-line review of the spreadsheet submission. The rebate request (in the form of an Excel spreadsheet) and PDF files are to be submitted to the MDOR on an USB Flash Drive (USB) and mailed to: Mississippi Department of Revenue, Office of Tax Policy, P.O. Box 22828, Jackson, MS 39215.
35 Miss. Code. R. 10-09-503