The Earned Income Tax Credit (EITC) is a refundable credit for workers who meet certain requirements and file a tax return. Persons with or without a qualifying child may claim the EITC. The maximum credit you can get will depend on your filing status and whether you have no qualifying children, one qualifying child, or more than one qualifying child. Additionally, the maximum credit possible can change each year due to inflationary adjustments. See Publication 596, Earned Income Credit, to find the maximum credit available.