APRIL 15,
- Last day to file income tax for the previous year, or extension of 4 months of the deadline to file
income tax return ( form 4868 ).
- Deadline for sending of first tax installment for current year.

June 15
- Deadline for sending of second tax installment for current year.

August 15
- Deadline to file income tax for the year of previous year  for the people who sent the extension form.
If you have not had your income tax done, you may ask for an additional extension of 2 months.

September 15
- Deadline for sending the third tax installment for current year.

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