This document sets forth final rules to expand opportunities for working men and women and their families to access affordable, quality healthcare through changes to rules under various provisions of the Public Health Service Act (PHS Act), the Employee Retirement Income Security Act (ERISA), and the Internal Revenue Code (Code) regarding health reimbursement arrangements (HRAs) and other account-based group health plans. Specifically, the final rules allow integrating HRAs and other account-based group health plans with individual health insurance coverage or Medicare, if certain conditions are satisfied (an individual coverage HRA). The final rules also set forth conditions under which certain HRAs and other account-based group health plans will be recognized as limited excepted benefits. Also, the Department of the Treasury (Treasury Department) and the Internal Revenue Service (IRS) are finalizing rules regarding premium tax credit (PTC) eligibility for individuals offered an individual coverage HRA. In addition, the Department of Labor (DOL) is finalizing a clarification to provide assurance that the individual health insurance coverage for which premiums are reimbursed by an individual coverage HRA or a qualified small employer health reimbursement arrangement (QSEHRA) does not become part of an ERISA plan, provided certain safe harbor conditions are satisfied. Finally, the Department of Health and Human Services (HHS) is finalizing provisions to provide a special enrollment period (SEP) in the individual market for individuals who newly gain access to an individual coverage HRA or who are newly provided a QSEHRA. The goal of the final rules is to expand the flexibility and use of HRAs and other account-based group health plans to provide more Americans with additional options to obtain quality, affordable healthcare. The final rules affect employees and their family members; employers, employee organizations, and other plan sponsors; group health plans; healt