Corporation tax up-to-date information for 2019 (Articles 9, 9-A, 13, and 33)
The following changes were not reflected on the forms for 2019 when they went to print
If any of the following updates impact a tax form that you are responsible for filing, and you have not yet filed such form, you must incorporate these updates when filing such form.
If you have already filed such form, and one of the following updates affects a calculation previously reported, you must file an amended form reflecting such update.
Select a tax form from the following list to identify the changes affecting that form. If a form is not listed, there have been no changes affecting that form.