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52. The Supreme Court shall have original jurisdiction, subject to Schedule 4, in all matters:

(i) arising under any treaty;

(ii) affecting consuls or other representatives of other countries;

(iii) in which the Commonwealth, or a person suing or being sued on behalf of the Commonwealth, is a party;

(iv) between Provinces, or between residents of different Provinces, or between a Province and a resident of another Province;

(v) in which a writ of mandamus or prohibition or injunction is sought against an officer of the Commonwealth.