April

• Monday, April 2 Electronically file Forms W-2, W-2G, 1098, 1099, 8027, 1094-C, 1095-C, 1094-B, and 1095-B. (see F.I.R.E.)
• Tuesday, April 17 Corporations: Deposit the first installment of your 2018 estimated tax.
• Tuesday, April 17 Household Employers: File Sch. H with Form 1040 if you paid $2,000 or more to a household employee.
• Tuesday, April 17 Corporations: File Form 1120 for calendar year and pay any tax due. For automatic 6-month extension, file Form 7004 and deposit estimated tax.
• Tuesday, April 17 Individuals: File Form 1040, 1040A, or 1040EZ. For automatic 6-month extension file Form 4868 and deposit estimated tax. Pay the first installment of 2018 estimated tax – Use Form 1040-ES.
• Monday, April 30 Employers: File Form 941 for the first quarter.
• Monday, April 30 Deposit FUTA tax owed through Mar if more than $500.

May

• Thursday, May 10 File Form 941 for the first quarter if you timely deposited all required payments.

June

• Friday, June 15 Individuals living outside the U.S.: File Form 1040. For automatic 4 month extension file Form 4868 and deposit estimated tax.
• Friday, June 15 Pay the second installment of 2018 estimated tax -Use Form 1040-ES.
• Friday, June 15 Corporations: Deposit the second installment of your 2018 estimated tax.