Section XXI. If a question s%iall arise whether m y - person alleged to be

XXI. If a question s%iall arise whether m y - person alleged to be `s` Proof of being a Foreigner and to be subject to the provisions of this Foreigner. Act is a Foreigner or not, or is or is not subject to the provisions of this Act, the onus of proving that such person is not a Foreigner or is not subject to the provisions sf this Act, shall lie upon sn&h person.