Differences between Massachusetts state tax law and federal tax law for corporate excise

General overview of the most common differences between the federal and Massachusetts state tax treatment of corporate excise.

Page updated: August 18, 2021

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Massachusetts generally follows the Internal Revenue Code (IRC) as currently in effect for Massachusetts corporate excise tax purposes.

The following is a summary of the most common differences between the IRC and Massachusetts tax code for corporate excise tax purposes. This list is not all inclusive and will be updated regularly, please continue to check our website for more updates.

Federal Deductions Disallowed by Massachusetts

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