View your notices of assessment and reassessment online. Sign in to access and print your NOA immediately.
By mail: Call the CRA to have your NOA mailed to you Before you callTo verify your identity, the CRA will ask for:
If you are calling the CRA on behalf of someone else, you must be an authorized representative
1-800-959-8281
Yukon, Northwest Territories and Nunavut: 
1-866-426-1527
Outside Canada and United States (Eastern Standard Time): 
613-940-8495
| Day | Hours | 
|---|---|
| Mon to Fri | 8 am to 8 pm | 
| Sat | 9 am to 5 pm | 
| Sun | Closed | 
A proof of income statement is a simple version of your tax assessment. It is another way you can get most of the same information that is on your notice of assessment.