The request must contain, in the manner specified in Rule 26(2)(c), the name, address and nationality of the applicant and the State in which his residence or principal place of business is located. Where the application is in the name of more than one applicant, the requirement must be satisfied for each applicant. At this stage in the proceedings, the formalities officer should have regard to the provisions of II, 2 governing the entitlement of the person named as applicant to apply for a patent.