IRS Form 8962, Premium Tax Credit -
Premium tax credit (PTC). The PTC is a tax credit for certain people who enroll, or whose family member enrolls, in a qualified health plan. The credit provides financial assistance to pay the premiums for the qualified health plan offered through a Marketplace by reducing the amount of tax you owe, giving you a refund, or increasing your refund amount. You must file Form 8962 to compute and take the PTC on your tax return
See this TurboTax support FAQ for the Form 8962 and the Form 1095-A as requested by the IRS for tax year 2019 - https://ttlc.intuit.com/community/health-care/help/the-irs-is-requesting-form-8962/01/27409
