Tax Due Dates for September 2019

September 10

Employees Who Work for Tips – If you received $20 or more in tips during August, report them to your employer. You can use Form 4070.

September 16

Individuals – Make a payment of your 2019 estimated tax if you are not paying your income tax for the year through withholding (or will not pay in enough tax that way). Use Form 1040-ES. This is the third installment date for estimated tax in 2018.

Partnerships – File a 2018 calendar year income tax return (Form 1065). This due date applies only if you were given an additional 6-month extension. Provide each shareholder with a copy of Schedule K-1 (Form 1065) or a substitute Schedule K-1.

S corporations – File a 2018 calendar year income tax return (Form 1120S) and pay any tax due. This due date applies only if you made a timely request for an automatic 6-month extension. Provide each shareholder with a copy of Schedule K-1 (Form 1120S) or a substitute Schedule K-1.

Corporations – Deposit the third installment of estimated income tax for 2019. A worksheet, Form 1120-W, is available to help you make an estimate of your tax for the year.

Employers – Nonpayroll withholding. If the monthly deposit rule applies, deposit the tax for payments in August.

Employers – Social Security, Medicare, and withheld income tax. If the monthly deposit rule applies, deposit the tax for payments in August.

• By Leon Clinton
• September 2, 2019

August 12

Employees Who Work for Tips – If you received $20 or more in tips during July, report them to your employer. You can use Form 4070.

Employers – Social Security, Medicare, and withheld income tax. File Form 941 for the second quarter of 2019. This due date applies only if you deposited the tax for the quarter in full and on time.

August 15

Employers – Nonpayroll withholding. If the monthly deposit rule applies, deposit the tax for payments in July.

Employers – Social Security, Medicare, and withheld income tax. If the monthly deposit rule applies, deposit the tax for payments in July.

• By Leon Clinton
• August 1, 2019

July 10

Employees Who Work for Tips – If you received $20 or more in tips during June, report them to your employer. You can use Form 4070.

July 15

Employers – Nonpayroll withholding. If the monthly deposit rule applies, deposit the tax for payments in June.

Employers – Social Security, Medicare, and withheld income tax. If the monthly deposit rule applies, deposit the tax for payments in June.

July 31

Employers – Social Security, Medicare, and withheld income tax. File Form 941 for the second quarter of 2019. Deposit any undeposited tax. (If your tax liability is less than $2,500, you can pay it in full with a timely filed return.) If you deposited the tax for the quarter in full and on time, you have until August 12 to file the return.

Employers – Federal unemployment tax. Deposit the tax owed through June if more than $500.

Employers – If you maintain an employee benefit plan, such as a pension, profit-sharing, or stock bonus plan, file Form 5500 or 5500-EZ for calendar-year 2018. If you use a fiscal year as your plan year, file the form by the last day of the seventh month after the plan year ends.

Certain Small Employers – Deposit any undeposited tax if your tax liability is $2,500 or more for 2019 but less than $2,500 for the second quarter.

• By Leon Clinton
• July 1, 2019