(BPT) – The Affordable Care Act brings a lot of changes to this year’s tax code that will affect 25-30 million people. What’s most important is to know how your taxes may be affected. People who will see the biggest impact fall into two categories: 1. had insurance through the marketplace and received a tax credit, or 2. were uninsured in 2014. Jan. 8 is ACA Q&A Day at H&R Block offices nationwide. Head to your local H&R Block office for a free personalized ACA Tax Impact Analysis to learn how the ACA may affect your refund. No appointment necessary.