The Tribunal headed by a former Judge of the Lahore High Court is expected to announce its verdict on Khalid's spot- fixing case on Tuesday or Wednesday.
The Tribunal has imposed a five-year ban on another Pakistan batsman Sharjeel Khan for similar offences in the Pakistan Super League (PSL) this year.
Sharjeel and Khalid were sent home from Dubai at the start of the PSL in February after being suspended under the PCB's anti-corruption code.
A top PCB official said that the tribunal, which also included a former Chairman of the board and former Test captain Wasim Bari, could end up finding Khalid guilty on all eight counts of breaching the PCB's anti-corruption code.
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Khalid is facing an additional charge of coaxing and influencing Sharjeel to meet a bookmaker and involve in spot- fixing in the PSL.
Khalid's lawyer Badr Alam, perhaps expecting the worse, on Saturday filed a petition in the Supreme Court for his client questioning the formation of the tribunal and its bias towards his client.
In the petition, the plea said that the tribunal was biased towards Khalid and that he had not been given a fair chance to plead his case by the tribunal.
Earlier Khalid's lawyer had also filed petitions in the Lahore High Court, challenging its authority but the court dismissed them.
The official said one reason why Sharjeel got a five-year ban with half of it suspended despite being found guilty of breaching five clauses of the anti-corruption code was because he and his lawyer cooperated with the tribunal and their behaviour was good during all the hearings.
"That apparently is not the way the tribunal feels about Khalid," said the official.