Every application, in order to entitle the applicant to appear for examination or to be examined, must state under oath the facts on the following subjects: (1) Full name, residence, and post-office address; (2) citizenship; (3) age; (4) place of birth; (5) health and physical capacity for the public service; (6) right of preference by reason of military or naval service; (7) previous employment in the public service; (8) business or employment and residence for the previous five years; (9) education. Such other information shall be furnished as the Commission may reasonably require touching the applicant's fitness for the public service. The applicant must also state the number of members of his family in the public service and where employed, and must also assert that he is not disqualified under section 8 of the civil-service act, which is as follows: "That no person habitually using intoxicating beverages to excess shall be appointed to or retained in any office, appointment, or employment to which the provisions of this act are applicable." No person under enlistment in the Army or Navy of the United States shall be examined under these rules. RULE XIII. 1. The date of the reception of all regular applications for the classified departmental service shall be entered of record by the Commission, and of all other regular applications by the proper examining boards of the district or office for which they are made; and applicants, when in excess of the number that can be examined at a single examination, shall, subject to the needs of apportionment, be notified to appear in their order on the respective records. But any applicants in the several States and Territories for appointment in the classified departmental service may be notified to appear for examination at any place at which an examination is to be held, whether in any State or Territory or in Washington, which shall be deemed most convenient for them. 2. The Compassion is authorized, in aid of the apportionment among the States and Territories, to hold examinations at places convenient for applicants from different States and Territories, or for those examination districts which it may designate and which the President shall approve. RULE XVI. 1. Whenever any officer having the power of appointment or employment shall so request, there shall be certified to him by the Commission or the proper examining board four names for the vacancy specified, to be taken from those graded highest on the proper register of those in his branch of the service and remaining eligible, regard being had to the apportionment of appointments to States and Territories; and from the said four a selection shall be made for the vacancy.