2019 Q2 tax calendar: Key deadlines for businesses and other employers

Here are some of the key tax-related deadlines that apply to businesses and other employers during the second quarter of 2019. Keep in mind that this list isn’t all-inclusive, so there may be additional deadlines that apply to you. Contact us to ensure you’re meeting all applicable deadlines and to learn more about the filing requirements.

April 15

If you’re a calendar-year corporation, file a 2018 income tax return (Form 1120) or file for an automatic six-month extension (Form 7004) and pay any tax due.
Corporations pay the first installment of 2019 estimated income taxes.

April 30

Employers report income tax withholding and FICA taxes for the first quarter of 2019 (Form 941) and pay any tax due.

May 10

Employers report income tax withholding and FICA taxes for the first quarter of 2019 (Form 941), if you deposited on time and fully paid all of the associated taxes due.

June 17

Corporations pay the second installment of 2019 estimated income taxes.