Below are dates and deadlines for various items you will need to know for this year's tax deadlines. For a printable copy of this calendar, click RM Tax Calendar 2015.
Businesses
Employers
Businesses
For filing Form 1099 and transmittal Form 1096 for interest, dividends and miscellaneous payments made during 2014 to the IRS. (E-filers can defer until March 31)
Employers
For providing 2014 Form W-2 (Copy A) and transmittal Form W-3 with the Social Security Administration. (E-filers can defer until March 31)
Calendar Year Corporations
For filing a 2014 income tax return (Form 1120 or Form 1120S) or filing for an automatic six-month extension (Form 7004) and paying any tax due.
Employers
For electronically filing Form 1098, Form 1099, Form W-2, Form W-3 and Form W-2G.
Individuals
Calendar-Year Partnerships
Calendar-Year Corporations
Trusts and Estates
Employers
Exempt Organizations
For filing a 2014 calendar-year information return (Form 990, 990-EZ, or 990-PF) or filing for an automatic three-month extension (Form 8868) an paying any tax due.
Small Exempt Organizations (with gross receipts normally of $50,000 or less)
For filing e-Postcard (Form 990-N) if not filing Form 990 or 990-EZ.
Individuals
For paying the second installment of 2015 estimated taxes if not paying income tax through withholding (Form 1040-ES).
Calendar-Year Corporations
For paying the second installment of 2015 estimated income taxes.
Individuals and Businesses
For report of Foreign Bank and Financial Accounts (FBAR) for reporting of foreign financial accounts—aggregate value of foreign financial accounts that exceeded $10,000 any time during the calendar year.
Employers
Exempt Organizations
For filing a 2014 calendar-year information return (Form 990, 990-EZ, or 990-PF) or filing for an additional three-month extension (Form 8868) if an automatic three-month extension was previously filed.
Individuals
For paying the third installment of 2015 taxes if not paying income tax through withholding (Form 1040-ES).
Trusts & Estates
For filing an income tax return for the 2014 calendar year (Form 1041) if an automatic five-month extension was filed.
Calendar-Year Partnerships
For filing an income tax return for 2014 (Form 1065) if an automatic five-month extension was filed.
Calendar-Year Corporations
For making contributions for 2014 to certain employer-sponsored retirement plans if an automatic six-month extension was filed.
Employers
For establishing a SIMPLE for 2015, except in certain circumstances.
Individuals
Calendar-Year Partnerships
For filing an income tax return for 2014 (Form 1065-B) if an automatic six-month extension was filed.
Employers
For reporting income tax withholding and FICA taxes for third quarter 2015 (Form 941) and filing quarterly payroll tax returns.
Exempt Organizations
For filing a 2014 calendar-year information return (Form 990, 990-EZ or 990-PF) if an additional three-month extension was previously filed.
Calendar-Year Corporations
For paying the fourth installment of 2015 estimated income taxes.
Employers
For establishing a retirement plan for 2015 (generally other than a SIMPLE or a SEP).
Individuals
For paying the fourth installment of 2015 estimated taxes if not paying income tax through withholding (Form 1040-ES).