January 15th: The deadline for individuals to make a final payment of estimated tax for the previous year.
April 15th: The deadline for individuals to file their tax returns or request an extension.
June 15th: The deadline for U.S. citizens living abroad to file their tax returns or request an extension.
September 15th: The deadline for individuals to file an extension for their tax returns.
October 15th: The deadline for individuals who filed an extension to file their tax returns.
January 31st: The deadline for employers to furnish W-2 forms to employees and the deadline for self-employed individuals to furnish 1099 forms to their clients.
February 28th: The deadline for banks and other financial institutions to furnish 1099 forms to their customers.
March 31st: The deadline for U.S. corporations to file their tax returns.
April 30th: The deadline for partnerships and S corporations to file their tax returns.
September 15th: The deadline for tax-exempt organizations to file their annual return or request an extension.
