This Part extends to:
(a) acts, omissions, matters and things outside Australia, whether or not in a foreign country; and
(b) all persons, irrespective of their nationality, who are making, or have made, a claim for a social security payment under the social security law; and
(c) all persons, irrespective of their nationality, who are receiving, or have received, a payment of a social security payment under the social security law.