September 9, 2021 You can get the most up-to-date info about the 2021 Advance Child Tax Credit Payments anytime on IRS.gov. This page features online tools that help you check your eligibility and manage your family's payments. You'll also find a link to the Non-filer Sign-up tool. If you don't need to file a 2020 federal tax return, you may need to use this tool to register for the advance child tax credit payments. You'll even find answers to frequently asked questions about the payments, separated by topic so you can quickly find the answers you need.