Tax Return Due Dates for Business Types
Taxpayers should be aware of the following dates and deadlines that pertain to their business.
March 15, 2018:
- Partnership returns on Form 1065 with Schedule K-1s
- Multiple-member LLC returns on Form 1065 with Schedule K-1
- S corporation returns on Form 1120 S
April 17, 2018:
- Sole Proprietorship and Single-member LLC returns on Schedule C
- C corporation returns on Form 1120: for December 31 year-end corporations.
- But corporations with a fiscal year ending June 30 must file by the 15th day of the 3rd month after the end of its tax year.
