Under Section 4(c)iii of the Liberal Party's national leadership rules, a panel of party officials who vet contenders can find a candidate has not satisfied "mandatory criteria" or "a prospective candidate is manifestly unfit for the office of Leader of the Party."
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Arya was the first sitting MP to launch a leadership campaign and vowed to dump the monarchy if elected. He also said he doesn't speak French and doesn't believe it will matter to French-speaking Canadians.
OATH OF ALLEGIANCE I, __________, do swear (declare) that I will be faithful and bear true allegiance to His Majesty King Charles III, King of Canada, His Heirs and Successors.