File Form W-3 with Copy A of all Forms W-2 issued for 2015.

Farmers and fishermen: File Form 1040 and pay any tax due. However, you have until Apr 18 to file if you paid your 2015 estimated tax payments by Jan 15, 2016.

File Form 730 and pay the tax on wagers accepted during January.

File Form 2290 and pay the tax for vehicles first used in January.

File Form 1096 with information returns, including Forms 1098, 1099 and W-2G for payments made during 2015.

File Form 8027 if you are a large food or beverage establishment.

Deposit payroll tax for payments on Feb 24-26 if the semiweekly deposit rule applies.

Deposit payroll tax for payments on Feb 27-Mar 1 if the semiweekly deposit rule applies.

Deposit payroll tax for payments on Mar 2-4 if the semiweekly deposit rule applies.

Employers: Employees are required to report to you tips of $20 or more earned during February.

Deposit payroll tax for payments on Mar 5-8 if the semiweekly deposit rule applies.

Corporations: File Form 1120 for calendar year and pay any tax due. For automatic 6-month extension, file Form 7004 and deposit estimated tax.

Deposit payroll tax for Feb if the monthly deposit rule applies.

S Corporations: File Form 1120S for calendar year and pay any tax due. Furnish a copy of Sch. K-1 to each shareholder. File Form 2553 to elect S Corporation status beginning with calendar year 2016. For automatic 6-month extension, file Form 7004 and deposit estimated tax.

Electing Large Partnerships: Furnish Sch. K-1 (Form 1065-B) to each partner.

S Corps: File Form 1120S for calendar year and pay any tax due. Give copy of Sch. K-1 to each shareholder. File Form 2553 to elect S Corp status beginning with calendar year 2016. For automatic 6-month extension, file Form 7004 and deposit estimated tax.

S Corps: File Form 1120S for calendar year & pay any tax due. Furnish copy of Sch. K-1 to each shareholder. For automatic 6-month extension, file Form 7004 & deposit estimated tax. File Form 2553 to elect S Corp status beginning with calendar year 2016.

Deposit payroll tax for payments on Mar 9-11 if the semiweekly deposit rule applies.

Deposit payroll tax for payments on Mar 12-15 if the semiweekly deposit rule applies.

Deposit payroll tax for payments on Mar 16-18 if the semiweekly deposit rule applies.

Deposit payroll tax for payments on Mar 19-22 if the semiweekly deposit rule applies.

Deposit payroll tax for payments on Mar 23-25 if the semiweekly deposit rule applies.

File Form 2290 and pay the tax for vehicles first used in February.

File Form 730 and pay the tax on wagers accepted during February.

Electronically file Forms W-2, W-2G, 1098, 1099, and 8027.

Deposit payroll tax for payments on Mar 26-29 if the semiweekly deposit rule applies.