RULE III.
1. The grade or standing of every competitor shall be determined under regulations made by the Commission, and each competitor shall be duly notified whether or not he is eligible for appointment.
2. No competitor who has failed to obtain an eligible standing shall be admitted to another test within six months from the date of failure unless he shall furnish satisfactory evidence to the Commission that at the time of his examination he was unable to do himself justice because of illness or other good cause.
3. No eligible shall be admitted to a test during the period of his eligibility unless he shall furnish satisfactory evidence to the Commission that at the time of his examination he was unable to do himself justice because of illness or other good cause.
4. All competitors whose claims of preference under section 1754 of the Revised Statutes have been allowed by the Commission who attain a general average of 65 per cent or over, and all other competitors who attain a general average of 70 per cent or over, shall be eligible for appointment to the place for which they were examined. The names of all competitors thus rendered eligible shall be entered in the order of grade on the proper register of eligibles.
5. The Commission shall establish regulations for the order of certification of applicants who are registered without competitive examinations under the provisions of Rule II, paragraph I.
6. When two or more eligibles are of the same grade, preference in certification shall be determined by the order in which the application papers are filed.
7. The period of eligibility to appointment shall be one year from the date on which the name of the eligible is entered on the register, unless otherwise determined by regulations by the Commission.
RULE IV.
1. All vacancies, unless filled by promotion, transfer, or reappointment, shall be filled in the following manner: