When is my local earned income tax (EIT) tax return due?

You must file or mail your final return on or before April 15. The postmark determines date of mailing. 

Estimate due dates are:

• Quarter 1: April 15
• Quarter 2: July 15
• Quarter 3: October 15
• Quarter 4: January 15
• Additional Payments: April 15* of the following year

*Tax Day deadline is April 15 unless the date falls on a weekend or holiday, then it is the next business day.