Shahzaib is one of six players sanctioned in the spot-fixing case which rocked the second edition of Pakistan Super League last year, a T20 tournament.
The PSL was rocked by scandal in February last year when it was announced that several players were caught in a spot-fixing incident.
Pakistan's interior minister Chaudhry Nisar Ali Khan said that they had received a request from the FIA to put the cricketers on the ECL and the ministry had issued orders for this action.
The PCB anti-corruption unit officials and legal advisor in Lahore questioned Shahzaib Hasan for long periods on Tuesday and Wednesday.
Pakistan fast bowler Mohammad Irfan along with Shahzaib Hasan and Zulfiqar Babar were questioned for their alleged role in the PSL spot-fixing scandal.
There were widespread speculations about infighting in the Karachi Dolphins camp during the high profile tournament, won by Faisalabad Wolves led by Misbah-ul-Haq.
Fast bowler Tabish Khan achieved a hat trick while Umar Akmal and Shahzaib Hasan hit rapid half centuries as the Pakistan All Stars defeated an International World XI by 84 runs in a Twenty20 on Saturday.