It can take as little as 8 business days for your income tax return to be processed when you NEFILE. However, the Canada Revenue Agency requests that you wait at least 4 weeks before contacting them as it can sometimes take longer to process your income tax return.
If it has been more than 4 weeks, you may want to contact the Canada Revenue Agency at 1 800 959 8281 to check on the status of your income tax return.