March Tax Filing Deadline

S Corporations file a 2025 calendar year income tax return (Form 1120S). Provide each shareholder with a copy of Schedule K-1. If not able to file, file Form 7004 to request an automatic six-month extension.

Partnerships and LLCs taxed as a partnership file a 2025 calendar year return (Form 1065). Provide each partner with a copy of Schedule K-1. If not able to file, file Form 7004 to request an automatic six-month extension.