He was speaking at a press conference after chairing an urgent meeting of EC members.
The meeting was held after the long-awaited royal decree ordering a general election of members of Parliament was issued on Wednesday.
Ittiporn also detailed the processes of candidate registration, advance election and overseas balloting.
The constitutional process calls for the EC) to announce a date for the election within five days of the decree taking effect on Wednesday with its publication in the Royal Gazette.
The law was issued at the command of His Majesty the King and was undersigned by Prime Minister General Prayut Chan-o-cha. The four-clause law puts the president of the EC in charge of ensuring adherence to the royal decree.
It requires the EC to formally announce the date of the election in the Royal Gazette within five days of the decree coming into force. The election date must be no less than 45 days and no more than 60 days from the day the decree takes effect.