Box 29 of the T4 slipWhen a code is displayed on your T4 slip in Box 29, you must enter it.
The code in Box 29 indicates the employment code in certain situations. If no code is displayed on your T4 slip, leave box 29 blank.
Simply select the item "T4 and employment income" from the left side menu on the " Interview " tab, and in the page "T4 slip income", for "Box 29", choose in the drop-down menu to the right the option that is listed on your T4 slip.
For more information, you can consult the following link:
ID: 20211029132631CA.xml
Webpage: KPA390-20211029132631CA.htm