There seems to be a bug in TurboTax Schedule 8 Part 4 Line 4. I manually changed Box 23 (No. of Months-Retirement) of my T4A(P) to 12 months. The 12 is used to ...
I wonder if this is a left over from past years. At one time, you stop contributing to CPP once you start collecting CPP pension. That would explain the 1 month...