Commonly missed tax claims

Before you file, check for:

• Medical costs for your whole family, including travel for care
• Child care from several providers
• Union and professional dues you paid directly
• Student loan interest, which can be carried forward 5 years
• Unused tuition amounts and donations from prior years
• Capital losses from prior years
• Moving expenses
• Pension income splitting if you are retired
• The disability amount, including prior years for a late approval
• The home buyers' amount in the year you buy

You can usually ask the CRA to change a past return for up to 10 years. See changing a return.