Users can change the AVS or CSC settings for BBMS.
  1. Log into the BBMS Web Portal 
  2. Click Account Management > General Settings
  3. Scroll down to Account Configurations at the bottom right
  4. Click the ellipsis (...) button next to a configuration and select Edit
  5. Select the desired AVS or CSC level from the drop down menu
  6. Click Save
More information regarding the AVS Security Levels can be found in What are Address Verification System (AVS) Settings?.
More information regarding CSC Security Levels can be found in What are the Card Security Code (CSC) settings in the merchant account settings?.