“ In harmony with statutory provisions, when reductions are being made in the force, in any part of the classified service, no employee entitled to military preference in appointment shall be discharged, dropped, or reduced in rank or salary if his record is good, or if his efficiency rating is equal to that of any employee in competition with him who is retained in the service. ”

“ Every nominating or appointing officer in the executive civil service shall report in detail to the Commission whenever and in such manner as it may prescribe, all changes in the service under his authority, whether they affect positions or employees that are classified, unclassified, excepted, permanent, temporary, or subject to contract. ”

“ Whenever the announcement of any examination in which education, training, or experience is prerequisite shall so state, and the applicants are given opportunity to file detailed sworn statements of their qualifications, a preliminary competitive rating may be given on the basis of the duties, requirements, and conditions of work in the position to be filled before any applicant shall be required to travel for further tests. ”

“ Whenever there are no eligibles upon a register for any grade in which a vacancy exists and the public interest requires that the vacancy be filled before eligibles can be provided by the Commission, the Commission may authorize temporary appointment without examination. Such appointment shall continue only for such period as may be necessary to make appointment through certification, and in no case, without prior approval of the Commission, shall extend beyond thirty days from the date of the receipt by the appointing officer of the Commission's certification of eligibles. ”

“ Persons who by the provisions of these rules are in the competitive classified service, while retaining the right to vote as they please and to express privately their opinions on all political subjects, shall take no active part in political management or in political campaigns. ”

“ All examinations for professional or technical positions or positions which under existing executive practice are filled only by persons having professional or technical training shall be formulated by the Civil Service Commission in collaboration with the head of the affected department, independent establishment, or corporation, or his designated representative, and shall make due allowance for the particular training, experience, and skill regarded as requisite under existing administrative practice. ”

“ The apportionment and requisition as to sex shall be observed in certifications for promotion, and upon cause shown that particular experience or qualification is required for the position to be filled selective certification may be made by the Commission in its discretion, but otherwise certification for promotion shall be made from the first three eligibles in the order of standing on the promotion register. ”

“ Unclassified laborers may be assigned to classified work incidentally, but not as a part of their main work, in cases where such work cannot be conveniently and economically done by classified employees, but not without the prior consent of the Commission obtained before such assignment. ”

“ The Commission may, however, receive or hear the statement of any employee removed on charges, and may, in its discretion, certify the employee to any other department or establishment for reinstatement to a vacancy in any position for which the employee is qualified, and in the event of such reinstatement the employee shall retain his former status and tenure in the service for all purposes. ”

“ A temporary appointment may be made permanent when the temporary appointee is within reach for permanent appointment at the time of his temporary appointment or in case he is so within reach during his temporary service. ”

“ All competitors rated at 70 or more shall be eligible for appointment, and their names shall be placed on the proper register according to their ratings; but the names of persons entitled to disability preference as defined in section 1 of this rule shall be placed above all others. ”

“ Promotion to former grade. A person who has been reinstated in the classified service in a grade lower than that from which he had been separated may be promoted to his former grade without examination. ”

“ A person separated during or at the end of his probationary period unless separated solely by reason of reduction in force may not be reinstated, but if he has been restored through the discretion of the Commission to the eligible register he may be certified lor a new probational appointment therefrom ”

“ Employees eligible to compete in any such examination shall be granted leave of absence for the time required to take such examination. Competitors shall be notified of their ratings, and upon their request, they shall also be notified of their standing on the list. ”