All due dates assume that the date falls on a business day. If the due date falls on a holiday or weekend, the due date will be the next business day.
- This event has passed.
September 16, 2018 - September 17, 2018
File Form 1065. This due date applies only if you were given an additional 6-month extension. Provide each partner with a copy of Schedule K-1 (Form 1065) or a substitute K-1.