October 30, 2019 9:29 AM
Your "additional deductions" shown in the Year to Year Comparison could be any number of things.
The most common include:
- EI Repayments - from Box 30 of T4E slip
- Legal Fees
- Foreign Tax Credits
- Amounts from Box 22 of T4RIF slip
- Amounts from Box 28 of T4RSP slip