International students may work off campus "part-time" if they have fulfilled the last academic requirements for their program of study but have not yet received written confirmation from their institution (such as a transcript, official letter, or email). As long as their study permit is still valid, they are allowed to work until the first day after their educational institution issues a formal proof of program completion. The student must stop working the day the study permit expires if it does so before they get information from their university that their program is finished.
The context texts do not specifically define "part-time basis" in terms of weekly hours. But generally speaking, international students who work "part-time" throughout the school year put in up to 24 hours a week. Although students should confirm this with Immigration, Refugees and Citizenship Canada (IRCC) or consult the particular terms of their study permit, it is logical to assume that the same concept of part-time job would apply in this situation.
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Komen