When I enter the CPP box 20 amount in the T4AP form it errors. This tells me that the T4AP is looking elsewhere for that number. No clue as to where?

Hi mail19,

Welcome to QuickBooks Community!  It's vital that you're able to complete the T4A(P) forms as soon as possible.  I'd be happy to point you in the right direction, so you can get the support you need!

In this situation, I encourage you to contact our Customer Care team outside of Community.  They'll be able to verify your account and assist you with your payroll forms in a timely fashion.

If you have any other questions, please feel free to reach back out.  We'd be glad to assist!