You can fix this by going back to your T4 slip and answering “Yes” to the question “Will you claim employment expenses…” at the bottom of the page. You can get back to your T4 Slips by clicking on Find (magnifying glass) in the upper-right corner of your screen. In the Find window, type in “T4” and select “T4 Employment Income”. Click the “Go” button. Click “Edit” next to the T4 you want to change.
