Whenever an application has been duly made in accordance with this Act by a foreign company which is a society, association, or other body incorporated or otherwise constituted under the law of a country other than Saorstát Eireann for an assurance licence to carry on life assurance business or industrial assurance business, or whenever an assurance licence has been granted to any such company to carry on either or both of such businesses, the following provisions shall have effect, that is to say: -
(a) any alteration in the rules or other instrument defining the constitution of such company and filed with the Registrar of Companies shall be notified to such Registrar within the prescribed time, and
(b) any notice, document or legal process may (save as may be otherwise required by or under any rules of court or an order of a court or judge) be served by being left with or sent by prepaid ordinary post to the persons resident in Saorstát Eireann at the addresses of such persons