Do you have to file taxes if you work for 2 months?

This would depend on your filing status and all of your other gross worldwide income that you may have received for the tax year in question.

A self-employed taxpayer would be required to file an income tax return if the business operation had a net profit of $400 and pay the Social Security and Medicare taxes that would be due, plus any income after adding the net profit to all other gross income. The amounts would be subject to income tax at the marginal tax rates.

A dependent on another taxpayer income tax return with unearned income interest, dividends, capital gains, rental income, taxable social security benefits, unemployment compensation, gambling winning and misc income, etc of more than $950 must file an income tax return and report all worldwide income on the 1040 tax return.

Do not forget State taxes (if applicable) as they could have different filing requirements and possibly some benefits you could be entitled to if you were to file a tax return with them.

For more detailed information on federal filing requirements go to irs.gov.