In 2025, the Canada Revenue Agency's Matching Program has transformed the way undeclared income is detected, making outdated assumptions like “CRA won’t notice small amounts” a costly gamble. This automated system compares your reported income against third-party data, flagging discrepancies that could lead to reassessments months or even years after filing. With data from employers, banks, payment processors, and even crypto exchanges, the CRA is more equipped than ever to catch unreported income. Discover how this program works and what you can do to protect yourself from unexpected penalties and interest. Don’t wait—learn how to file accurately today!