Taxable interest income is earned from

• savings and checking accounts.
• U.S. Savings Bonds.
• savings certificates (certificates of deposit or CDs).
• money market certificates.

Tax-exempt interest income is earned from bonds issued by entities in states, cities, counties, or the District of Columbia, such as:

• port authorities.
• toll-road commissions.
• community redevelopment agencies.
• qualified volunteer fire departments.