Use this form to keep a record of the post-1989 series EE and I bonds you cash. You will need the information on this form to complete Form 8815, Exclusion of Interest From Series EE and I U.S. Savings Bonds Issued After 1989. Form 8815 is used to figure the amount of interest you can exclude from your income when you file your income tax return. Current revision Form 8818 PDF Recent developments None at this time. Other items you may find useful All Form 8818 Revisions About Form 8815, Exclusion of Interest From Series EE and I U.S. Savings Bonds Issued after 1989 About Publication 550, Investment Income and Expenses About Publication 970, Tax Benefits for Education Other Current Products