Notice Of Assessment (NOA) An annual statement sent by revenue authorities to taxpayers detailing the amount of income tax they owe. It includes the amount of their tax refund, tax credit and income tax already paid. Investopedia Says: In Canada, each NOA will include the amount that a taxpayer is able to contribute to a Registered Retirement Savings Plan (RRSP). Related Terms: Canada Revenue Agency - CRA Canadian Pension Plan - CPP Capital Cost Allowance - CCA Income Tax Registered Pension Plan - RPP Registered Retirement Savings Plan - RRSP |