The amount of control a parent has over your work determines whether or not you are a self-employed individual and whether or not you can deduct daycare expenses from your daycare income.
Generally, you are a self-employed individual if you control:
You can claim daycare expenses on your income tax return if you report self-employment income.
Generally, you are an employee if the parent:
As an employee, you cannot deduct daycare expenses.
If you are not sure about your situation, see Guide RC4110, Employee or Self-employed?
If you care for children part-time or occasionally, you cannot deduct business expenses. You will report your earnings as "Other employment income" on line 104 of your income tax return.