1. Update their Cforce to reflect the change, go to Edit Merchant Details → Merchant Profile → Monthly Sales 

2. Login into TSYS & click on Reports → View V Numbers → Scroll down and click on Merchant Parameters → Edit → Annual Volume (Multiply the Approved Monthly Value x 12) → Validate → Board. 

You're done! 

P.S. This change does not require for the VAR to be updated :)