March 15th: Corporate Tax Return Filing Deadline
2 minutes read
The Deadline to file corporate tax returns (forms 1120, 1120A, and 1120S) is Thursday March 15th. Most corporate returns are required to be filed electronically therefore they must be sent to the IRS before midnight on the 15th. If for some reason you are filing a paper corporate tax return, the post mark on the envelope must show 11:59pm or earlier in order to avoid late filing penalties.