Income tax is a big-ticket item for most retired Canadians. Especially for those who are no longer paying a mortgage, the annual tax bill may be the single biggest expenditure they are required to make each year. Fortunately, the Canadian tax system provides a number of tax deductions and credits available only to those over the age of 65 (like the age credit) or only to those receiving the kinds of income usually received by retirees (like the pension income credit), in order to help minimize that tax burden. And, in most cases, the availability of those credits is flagged, either on the income tax form which must be completed each spring or on the accompanying income tax guide.