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September 2018 Business Due Dates

September 17 - S Corporations

File a 2017 calendar year income tax return (Form 1120S) and pay any tax due. This due date applies only if you requested an automatic 6-month extension. Provide each shareholder with a copy of K-1 (Form 1120S) or a substitute Schedule K-1.

September 17 - Corporations 

Deposit the third installment of estimated income tax for 2018 for calendar year

September 17 -  Social Security, Medicare and withheld income tax

If the monthly deposit rule applies, deposit the tax for payments in August.

September 17 - Nonpayroll Withholding



If the monthly deposit rule applies, deposit the tax for payments in August.

September 17 - Partnerships

File a 2017 calendar year return (Form 1065). This due date applies only if you were given an additional 5-month extension. Provide each partner with a copy of K-1 (Form 1065) or a substitute Schedule K-1.

September 17 - Electing Large Partnerships 

File a 2017 calendar year return (Form 1065-B). This due date applies only if you were given a 6-month extension. March 15 was the due date for furnishing Schedules K-1 or substitute Schedule K-1 to the partners.



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Securities offered through PFS Investments Inc., member FINRA & SIPC. Investment advisory services may be offered through PFS Investments Inc. or, where applicable, through a separately registered investment adviser. Paul D. Diaz is an IRS Enrolled Agent & IRS Certifying Acceptance Agent and provides ITIN/W-7, tax preparation, tax resolution, and tax advisory services through THE TAX CUTTERY®, an independent firm. Tax services are not offered through PFS Investments Inc. or its affiliates and are solely the responsibility of THE TAX CUTTERY®. This message is not intended as an offer or solicitation in any jurisdiction where such offer or solicitation would be unauthorized. All investments involve risk, including the potential loss of principal. Past performance is not indicative of future results.

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