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Engagement Letter

If you are here, you are ready to file taxes with us. Download our engagement letter, read it carefully, sign and date. The letter can be dropped off in person, mailed, emailed to info@412tax.net.

IMPORTANT: Please visit our important dates and FAQs tab in the client hub before downloading the engagement letter. Should you still have more questions after reading it, please go to contact us.

Important dates and FAQs

Usually, the IRS allows electronic filing sometimes at the end of January of the following year. It is advisable to start gathering your paperwork beforehand.

January – the end of January is the due date for the employers/businesses to file most of the informational tax returns such as w-2 and 1099s.

February – the e-filing for the federal tax returns is open.

We highly recommend bringing, mailing, emailing, or sending via the portal all the paperwork between February 1st and March 25th. If the information is received between March 25th and April 1st, the tax return may or may not go on extension.

If we receive the information after April 1st, the completion of the tax return before the Tax due date is not guaranteed!!!

For those who filed for an extension, be advised that the extension DOES NOT extend the time to pay, only time to file! Make sure you send payments with the extension to avoid penalties.

If the extension was filed for you, make sure we have all the information prior September 5th, otherwise the timely filing is not guaranteed.

October 15th is the filing date for the tax returns on extensions: 1040s and C corporations.

September 15th is the due date for the tax returns on the extensions: partnerships and S corporations.

How to prepare for the upcoming tax season?
There is no one-size-fits-all scenario; each taxpayer is different. The IRS has helpful tips for you here: https://www.irs.gov/individuals/get-ready-to-file-your-taxes

Secure portal:
Your security is our priority! If you haven’t done so, please contact us and register with our secure portal to make the information exchange more secure.

Visit Us

Office location: 4284 William Flinn Highway, Suite 103, Allison Park, PA 15101

Get In Touch

Telephone Number: 412-487-1009
Fax Number: 412-487-9456
Our email: info@412tax.net

Hours of Operation

Our normal business hours:
Monday-Thursday 9am-5pm
Friday 9am-3pm

Our business hours during the tax season:
(February through mid April)
Monday - Thursday 9am-5pm, 5pm-7pm by appointments ONLY!
Friday 9am-3pm
Saturday 9am-3pm

Copyright 2026 412 Tax and Accounting Services LLC
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