The list had been approved by the commission at a previous meeting, but Deputy Prime Minister Suthep Thaugsuban, the ex-officio chairman, called a meeting of the commission on Friday to reconsider it.
After the meeting, Pol Gen Watcharapol said the list will be forwarded to His Majesty the King for endorsement after the royal decree on the new structure of the Royal Thai Police Office has taken effect.
He said the petition from deputy national police chief Pol Gen Priewpan Damapong, seeking redress because he was not made acting police chief in Pol Gen Patcharawat's Wongsuwon's absence, was not considered at the meeting.
Earlier in the day, Pol Gen Priewpan petitioned Mr Suthep over the appointment. He has said publicly he was the most senior officer after the police chief and was victimised because he was Thaksin Shinawatra's former brother-in-law.
Prime Minister Abhisit Vejjajiva opted instead for Pol Gen Wichien Pojphosri, also a deputy national police chief.
Pol Gen Priewpan has said he wanted the Police Commission to consider his letter at its meeting today.
Meanwhile, a subcommittee has been set up to look into whether Prime Minister Abhisit Vejjajiva interfered in the police investigation of the attempted murder of People's Alliance for Democracy leader Sondhi Limthongkul, Election Commission chairman Apichart Sukhagganond said on Friday.