Corporations - Deposit the remaining 20% of the third installment of estimated income tax for 2005. At least 80% of the third installment was due on September 15.
October 10
Employees who work for tips - If you received $20 or more in tips during September, report them to your employer. You can use Form 4070, Employee’s Report of Tips to Employer.
October 15
Individuals - File a 2004 income tax return and pay any tax due if you were given an additional 2 month extension. Partnerships - File a 2004 calendar year return (Form 1065). This due date applies only if you were given an additional 3 month extension. Provide each partner with a copy of Schedule K-1 (Form 1065) or substitute K-1. Electing Large Partnerships - File a 2004 calendar year return (Form 1065-B). This due date applies only if you were given an additional 3 month extension. See March 15 for the due date for furnishing the Schedules K-1 to the partners.
