Important Authorize.net Networking Change

You may have gotten an email from Authorize.net about an important networking change that will affect applications and processes integrated with its services.
This email included technical details about what your "Web developer" or "Solution Provider" needs to do... 

Rest assure that we are on top of this and have implemented the requirement successfully.

• Website form submissions are already processing via the new requirement. 
• The installed CMS Program will have this implemented in version 15.7.22 and later. 

Below is a screenshot of part of this email you may have received from Authorize.net