Major tax deadlines for March
March 2 – Payers must file 2014 information returns (such as 1099s) with the IRS. (Electronic filers have until March 31 to file.) March 2 – Employers must send 2014 W-2 copies to the Social Security Administration. (Electronic filers have until March 31 to file.) March 2 – Farmers and fishermen who did not make 2014 estimated tax payments are required to file 2014 tax returns and pay taxes in full. March 16 – 2014 calendar-year