Butt met the PCB's anti-corruption officials and legal advisors yesterday and requested them to allow him to resume playing first class cricket from September 2.
"Salman Butt has requested a review of the action plan and is keen to get clearance to at least play first class cricket," said a board official.
The Pakistan Cricket Board on Wednesday had announced a comprehensive action plan for Butt, Muhammad Asif and Muhammad Aamir to reintegrate them back into mainstream cricket.
The trio's five-year bans for spot fixing expire on September 1 midnight and the ICC said they can return to national and international cricket after that date.
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But Pakistan's former Test captain Ramiz Raja has advised the PCB to rule out any chances of the trio returning to the national team.
"The PCB can give them permission to play some domestic cricket and perhaps even assist them financially but they must not be allowed to represent Pakistan again," Raja said in Lahore.
"It would be unfair to have eight players in a team who are clean and want to win and three players about whom they will always be doubts that they don't want to win," he said.
Raja said even the reintegration/rehabilitation plan would not make the trio corruption free cricketers.
"They did something which badly hurt Pakistan cricket and its integrity and image and it has taken many years to once again restore our image internationally. I don't think they deserve a second chance to play for Pakistan," he said.
"Even if these three don't play I don't think it will make any difference to our team, which is now doing well," insisted Raja.