September 15: Deadline for Tax Returns with Extension and Estimated Payments
For those who filled a tax extension: Tax returns are due on September 15 for S-Corps and Partnerships. September 15 is as well deadline for Estimated Payments (self-employed and businesses).
Remember! Filing later doesn’t mean paying later. All tax payments and must be done by the deadlines established by the IRS, there are no extensions for payments.
1065 for a Us partnership Income
1120S for a S-Corporation
1040ES Estimated tax for Individuals