If you haven’t yet filed your corporation tax return (Form 1120 or Form 1120S), partnership tax return (Form 1065), or fiduciary (trust) tax return (Form 1041) that’s been on extension, the deadline for filing those forms is Monday, September 16th. As always, use certified mail, return receipt requested (or efile), so you have proof of the filing.
[…] Russ Fox, Business and Trust Tax Filing Deadline is Monday […]