Line 58 - Ontario additional tax for minimum tax purposes

Line 58 - Ontario additional tax for minimum tax purposes

If you have to pay federal minimum tax as calculated on Form T691, Alternative Minimum Tax, you will also have to determine your Ontario additional tax for minimum tax purposes.

To do this, complete the calculation for line 58 on the Provincial Worksheet in this book. For more information about minimum tax, see the General Income Tax and Benefit Guide.