Which 2003 legislation allows tax deductions for amounts contributed to a health savings account?

The U.S. Congress created Health Savings Accounts (HSA) in December 2003 as part of the Medicare Prescription Drug, Improvement and Modernization Act of 2003. Section 1201 of this Act describes Health Savings Accounts. The Tax Relief and Health Care Act of 2006 made significant changes to HSAs and you may find this information helpful.