It is possible that the Canada Revenue Agency (CRA) will contact you by phone for legitimate tax reasons.
During such phone calls, the CRA officer must validate your identity and therefore will ask for certain personal information, including your date of birth, your address, and in the case of a business some account specific details.
The CRA officials will act with professionalism and will not be aggressive or make threats. To help you identify possible scams, use the following guidelines: