No matter how low your income is, you are required to file a tax return if you received advance premium tax credit for health insurance from the Marketplace ("Obamacare"), or if you took money out of a Health Savings Account (HSA) or Medical Savings Account (MSA).
You can use the calculator at the following link on the IRS web site to see if you have to file a tax return.
Do I Need to File a Tax Return?
