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2020 Business Tax Filing Dates

3/6/2020



2020 Tax Deadlines for Filing 2019 Business Returns 

Provided by Alliance 1099 

 

Partnership Tax Deadlines:

Original tax deadline for partnerships (Form 1065) March 16, 2020 

Extension tax deadline for partnerships (Form 1065) September 15, 2020 

 

S Corporation Tax Deadlines: 

Original tax deadline for S Corporations (Form 1120S) March 16, 2020 

Extension tax deadline for S Corporations (Form 1120S) September 15, 2020 

 

C Corporation Tax Deadlines: 

Original tax deadline for C Corporations (Form 1120) April 15, 2020 

Extension tax deadline for C Corporations (Form 1120) October 15, 2020 

 

Sole Proprietor Tax Deadlines:

Original tax deadline for sole proprietors and individuals (Form 1040) April 15, 2020 

Extension tax deadline for sole proprietors and individuals (Form 1040) October 15, 2020 

 

Nonprofit Tax Deadlines: 

Original tax deadline for exempt organizations (Form 990) May 15, 2020 

Extension tax deadline for exempt organizations (Form 990) November 16, 2020 

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