A Savings Incentive Match Plan for Employees Individual Retirement Account, commonly known by the abbreviation "SIMPLE IRA", is a type of tax-deferred employer-provided retirement plan in the United States that allows employees to set aside money and invest it to grow for retirement. Specifically, it is a type of Individual Retirement Account (IRA) that is set up as an employer-provided plan. It is an employer sponsored plan, like better-known plans such as the 401(k) and 403(b) (Tax Sheltered Annuity plans), but offers simpler and less costly administration rules, as it is subject to ERISA and its associated regulations. Like a 401(k) plan, the SIMPLE IRA can be funded with pretax salary reduction, but those contributions are still subject to Social Security, Medicare, and Federal Unemplo