When is the last day you can send in federal income tax forms?

Why This Matters

Every year, people who earn income in the United States must file their federal income tax forms. The USCIS interviewer asks this question to see if you know the deadline for sending in those forms. The answer is April 15. This date is one of the most well-known deadlines in American life, and knowing it shows that you understand a basic civic obligation.

Federal income taxes fund the services that keep the country running. Tax money pays for the military, roads, schools, Social Security, and many other government programs. The Internal Revenue Service, known as the IRS, is the federal agency that collects taxes and processes tax returns. Every year, workers, business owners, and self-employed individuals must report their income and pay any taxes they owe by the April 15 deadline. If April 15 falls on a weekend or holiday, the deadline may move to the next business day, but the standard answer for the USCIS test is April 15.

Filing taxes is a responsibility that applies to almost everyone who lives and works in the United States, whether you are a citizen or not. As a future citizen, knowing this deadline is part of understanding your duties in your new country.

Key Facts

• The last day to send in federal income tax forms is April 15
• The IRS (Internal Revenue Service) is the agency that handles federal taxes
• Tax money pays for government services like defense, roads, and Social Security
• Almost everyone who earns income in the U.S. must file a tax return
• If April 15 falls on a weekend or holiday, the deadline shifts to the next business day, but the official answer is still April 15

Common Mistakes

• Saying "April 1" or "March 15", the correct date is April 15
• Confusing federal taxes with state taxes, this question is specifically about federal income tax
• Thinking only citizens have to file taxes, anyone who earns income in the U.S. generally must file

Study Tip

Remember "Tax Day is April 15." You can link it to the month by thinking that April is the fourth month and taxes are due on the fifteenth, "4/15." Write this date down a few times to lock it into memory. This is a one-fact answer, so once you know the date, you know the answer.