Hi Valnett,
Line 23200 includes deductions you can claim against your income such as:
- amount you entered manually under "other deductions"
- T4A box 201
- T4RIF box 22 or 24
- T4RSP box 22 or 28
- T4FHSA box 28
Please review your entries and slips.
You can read more about line 23200 in this link.
Hope this was helpful
Heba