9.  Every applicant for examination for the classified departmental service must support the statements of his application paper by certificates of persons acquainted with him, residents of the State, Territory, or District in which he claims bona fide residence; and the Commission shall prescribe the form and number of such certificates.

10.  A false statement made by an applicant, or connivance by him with any person to make on his behalf a false statement in any certificate required by the Commission, and deception or fraud practiced by an applicant, or by any person on his behalf with his consent, to influence an examination, shall be good cause for refusal to examine such applicant or for refusing to mark his papers after examination.

11.  All examinations shall be prepared and conducted under the supervision of the Commission; and examination papers shall be marked under rules made by the Commission, which shall take care that the marking examiners do not know the name of any competitor in an examination for admission whose papers are intrusted to them.

12.  For the purpose of marking examination papers boards of examiners shall be appointed by the Commission, one to be known as the central board, which shall be composed of persons in the classified service, who shall be detailed for constant duty at the office of the Commission.  Under supervision of the Commission the central board shall mark the papers of the copyist and of the clerk examinations, and such of the papers of the supplementary, special, and promotion examinations for the departmental service and of examinations for admission to or promotion in the other branches of the classified services as shall be submitted to it by the Commission.

  13.  No person shall be appointed to membership on any board of examiners
  until after the Commission shall have consulted with the head of the
  Department or of the office under whom such person is serving.

  14.  An examiner shall be allowed time during office hours to perform his
  duties as examiner, which duties shall be considered part of his
  official duties.

  15.  The Commission may change the membership of boards of examiners
  and—­

  (a) Prescribe the manner of organizing such boards.

  (b) More particularly define their powers.

  (c) Specifically determine their duties and the duties of the
  members thereof.

16.  Each board shall keep such records and make such reports as the Commission may require, and such records shall be open to the inspection of any member of this Commission or other person acting under authority of the Commission, which may, for the purposes of investigation, take possession of such records.

  GENERAL RULE IV.

1.  The names of all competitors who shall successfully pass an examination shall be entered upon a register, and the competitors whose names have been thus registered shall be eligible to any office or place to test fitness for which the examination was held.

  2.  The Commission may refuse to certify—­