You can only claim expenses that were incurred in regards to work-related matters.
Here are simple examples;
- Vehicle and travel expenses – including travel between work and home
- Clothing, laundry and dry-cleaning expenses
- Home office expenses
- Mobile phone, internet and home phone expense
- Overtime meals
- Self-education expenses
- Tools, equipment and other equipment
- Other work-related deductions.
Please note that you have to exclude your private use for those expenses.