Form 1040 Schedule B 2025. 1040 schedule b is an auxiliary tax form that serves as an extension to your main tax return, specifically form 1040. Most taxpayers only need to file a schedule b if they receive more than $1,500 of taxable interest or dividends.
To file schedule b, you must first gather all your documents and information about your interest and dividend income. 1040 schedule b is an auxiliary tax form that serves as an extension to your main tax return, specifically form 1040.