By entity
Deadlines by entity type
Federal filing obligations differ by how the business is organized. Pick yours.
Entity
Sole Proprietor
Individuals reporting business income on Schedule C.
Entity
Single-Member LLC
An LLC with one owner, a disregarded entity by default.
Entity
Partnership
Multi-member LLCs and general partnerships filing Form 1065.
Entity
S-Corporation
Corporations with a valid S election filing Form 1120-S.
Entity
C-Corporation
Regular corporations filing Form 1120.
Entity
Nonprofit
Tax-exempt organizations filing the Form 990 series.