Keystone offices are closed Monday, May 27 in observance of Memorial Day.

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News

Stay up to date with Keystone Collections Group.

File Your 4th Quarter EIT Estimates by January 15

Use e-file, Keystone’s web-based service, to pay your 4th quarter earned income tax payment. e-file’s adaptive page formats work for all devices, including PCs, smartphones and tablets, making filing easy and fast. Pay your tax on time to avoid statutory interest, penalty and costs.

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Keystone Extends Phone Service Hours

Starting on Monday, July 13 and continuing through Wednesday July 15, our phone hours will be 8AM – 7PM ET. Visit Keystone’s Frequently Asked Questions for answers anytime to most tax inquiries.

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