On the 1099-MISC instructions for reporting the amount in Box 3:
Box 3. Generally, report this amount on the “Other income” line of Schedule 1 (Form 1040) and identify the payment. The amount shown may be payments received as the beneficiary of a deceased employee, prizes, awards, taxable damages, Indian gaming profits, or other taxable income. See Pub. 525. If it is trade or business income, report this amount on Schedule C or F (Form 1040).
