How does the Canada deal with a nonr-esident taxpayer in relation to tax deductions as per their personal situation, while the non resident only earns a part (e.g 70%) of his/her income in the country
The answer depends on the type of income being earned in Canada by the non-resident of Canada. See below the tax deductions available to a non-resident for 3 different sources of income from Canada:
1. Rental income. Deductions include: property taxes, utilities, repairs, insurance, mortgage interest.
2. Business income: Deductions include: advertising, banking fees, cell phone & internet, dues and membership fees, insurance, lease payments, meals & entertainment.
3. Employment income: Deductions include: vehicle expenses, home office expenses, supplies, salary paid to an assistant.