If you are using SagePay for your payment processing they will make all of the background technical changes. You will simply need to remove any Solo logos from your website, should you have them.
Current information from the bank indicates that there are two exceptions and both are UK Maestro Prepaid cards for Clydesdale Bank. If you need more information about this, we suggest you contact your acquiring bank directly.
For more specific detail about these changes, you should contact your acquiring bank.