2018 Q2 tax calendar: Key deadlines for businesses and other employers

You’re likely aware of the upcoming April 17 deadline for individuals filing their 2017 tax returns, but don’t forget about key tax-related deadlines affecting businesses and other employers during the second quarter of 2018. Keep in mind that this list isn’t all-inclusive, so there may be additional deadlines that apply to your specific situation. Contact your KraftCPAs tax advisor to make sure you’re meeting any applicable deadlines and to learn more about the filing requirements.

April 2

Electronically file 2017 Form 1096, Form 1098, Form 1099 (except if an earlier deadline applies) and Form W-2G.

April 17

If a calendar-year C corporation, file a 2017 income tax return (Form 1120) or file for an automatic six-month extension (Form 7004), and pay any tax due. If the return isn’t extended, this is also the last day to make 2017 contributions to pension and profit-sharing plans.

If a calendar-year C corporation, pay the first installment of 2018 estimated income taxes.

April 30

Report income tax withholding and FICA taxes for first quarter 2018 (Form 941), and pay any tax due. (See exception below under “May 10.”)

May 10

Report income tax withholding and FICA taxes for first quarter 2018 (Form 941), if you deposited on time and in full all of the associated taxes due.

June 15

If a calendar-year C corporation, pay the second installment of 2018 estimated income taxes.

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