Requiring the CSC Code on donation forms is considered an industry best practice.  For this reason, the field can not be removed.

It is possible to lower the security settings of your merchant account so that the CSC field is not verified against the bank.
  1. Log into Blackbaud NetCommunity
  2. Select Administration > Merchant Accounts
  3. Click the Pencil icon next to your merchant account
  4. Adjust the CSC level using the drop down menu
    • CSC Security Levels
    • None: BBMS does not use CSC to check transactions
    • Light:  The CSC must be correct or return a response that indicates the result is unavailable (ex."Does not participate")
    • Full:  The CSC must be correct.
  5. Click Save