Introduction Part 1 of this publication explains the filing requirements and other tax information for individuals who can be claimed as a dependent on another person's tax return. Part 2 explains how to report and figure the tax on certain investment income of children under age 14 (whether or not they can be claimed as dependents). Definitions. Many of the terms used in this publication, such as "dependent," "earned income," and "unearned income," are defined in the Glossary at the back of this publication. Comments and suggestions. We welcome your comments about this publication and your suggestions for future editions. You can e-mail us while visiting our web site at www.irs.gov. You can write to us at the following address: Internal Revenue Service Technical Publications Branch W:CAR:MP:FP:P 1111 Constitution Ave. NW Washington, DC 20224 We respond to many letters by telephone. Therefore, it would be helpful if you would include your daytime phone number, including the area code, in your correspondence.