I am a professor in a university. I received a $1,000 USD honorarium for reviewing a research document for a company. How should I report this income?

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Question: are you a foreign national?  If so, from which country and how long have you been in the US?

If not, then tax treaties will not apply and since honoraria are considered taxable income, recipients have to pay regular income tax on their total income from speaking. Usually, the honorarium or speaker's fee is reported on Schedule C, where expenses also are deducted. In addition to income tax, honoraria are considered self-employment income and can also be subject to self-employment tax.