The left-arm fast bowler played in the recent Pakistan Super League with minimal success.
Amir retired from international play last December, saying he was mentally tortured by his teammates and coaches.
PCB CEO Wasim Khan disclosed that Amir had met him in the UK and he had poured out his grievances against the team management.
Kent Cricket has confirmed the signing of former Pakistan fast bowler Mohammad Amir for the Vitality Blast competition.
Having already retired from Tests, the 28-year-old quit international cricket last month alleging mental torture by the cricket board.
Nobody was supporting Mohammad Amir's selection on the basis of performance: Pakistan coach Misbah-ul-Haq
Amir announced his retirement from international cricket on December 17 citing not being able to handle the mental torture.
Speaking on his official Youtube channel, left-arm pacer Amir made it clear that his problem was with Misbah and Younis.
Pakistan cricketer Amir quits cricket alleging mental torture, says can't play under current PCB management
A source close to Amir said the bowler has conveyed to the PCB his disappointment at the way he was treated by the national selectors and the current team management.
Mohammad Amir reiterated that his decision to retire from Test cricket last year was turned into an unnecessary controversy.
The Pakistani pacer felt that the New Zealand tour 'could be make or break for many cricketers, which has also been the case in the past as well'.
A two-day game against Leicestershire was always likely to end in a draw and that was the case as the Midlands county finished on 226 for six in reply to Pakistan's first innings 321 for nine.
Salman Khurshid's answer on communal riots during Congress regime not satisfactory, says AMU student Mohammad Amir Mintoee
Mohammad Amir Mintoee, an ex-student of Aligarh Muslim University, tried to put senior Congress leader Salman Khursheed on the mat during an event on campus last Sunday.
According to PCB sources, Aamir has taken permission from the PCB and head coach Mickey Arthur to be with his wife.
An unpredictable Pakistan today stunned England by eight wickets to enter their maiden Champions Trophy final.