35 Miss. Code R. § 10-09-501
To claim the rebate by submitting the request to the MDOR, the motion picture company must submit an electronic Excel spreadsheet upon completion of the project containing a detailed accounting of the base investment and the employee payroll to the MDOR in the proper format. The base investment tab must include a listing of purchase invoices showing the name and address of the vendor, date, description of items purchased, and the amount of expenditures made to those vendors. Proper documentation to prove payment by the MPPC that was certified for the rebate is also required. This includes copies of bank statements, credit card statements and any other form of payment used to purchase items eligible for the rebate. Include at what stage of production the purchase was made: Preproduction, Production or Postproduction. Each location should be grouped together by date for productions that take place in more than one location.
35 Miss. Code. R. § 10-09-501