A quick google search seems to show that you do need to file for a FL extension, but might not need to so MA if you have madesufficient payments (see below)
See these links:
https://floridarevenue.com/taxes/taxesfees/Pages/corporate.aspx ("Extensions of Time")
https://www.mass.gov/info-details/2021-dor-tax-due-dates-and-extensions#corporate-
Under corporate it says:
- Corporate excise taxpayers receive an automatic extension of time to file their tax returns as long they have paid the greater of (1) 50% of the total amount of tax ultimately due or (2) the minimum corporate excise by the original due date for filing the return.
- If requesting time to file a return please ensure to deposit what you estimate you owe in tax as your extension payment. There are no zero extensions, a payment must be made in order to file an extension.
- Filing an extension with the IRS does not count as filing an extension for Massachusetts.
- An extension is an extension of time to file not to pay, any amount due will incur interest even if a valid extension is on file.
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