16. You have also authority to examine any person on oath or affirmation on any matter pertinent to any investigation you may make; and such oath or affirmation may be administered by you to any person you may so desire to examine.
17. You and any officer under you having the rank of Assistant P.O. Inspector, have authority to require any Postmaster or Assistant Postmaster in any Post Offices, Mail Contractor or other person in the employment or service of, or undertaking to perform any duty or work for the Post Office Department, to make and sign an oath or declaration in the following form, or to a like effect.--
I (_insert the name of the person and the capacity in which he is employed in or by the Post Office_) do solemnly and sincerely promise and swear, (or declare _if the person is one entitled to declare instead of_ taking an oath in civil cases), that I will faithfully perform all the duties required of me by my employment in the service of the Post Office, and will abstain from everything forbidden by the laws for the establishment and government of the Post Office Department in Canada, so help me God.
_______________________________________________ Signature of person taking oath or declaration.
The oath (_or_ declaration) was ___________ (sworn _or_ made) and subscribed before me, the ____________ day of ____________ 187__.
______________________________________________________ Signature of P.O. Inspector, or Asst. P.O. Inspector, as the case may be.
18. When a formal investigation is necessary, always give due notice to the complainant or complainants, and the party or parties complained against, of the time and place at which the investigation will be held.
19. In your reports to the Postmaster General of the result of an investigation, state whether the enquiry made was personal or _by_ correspondence. State also clearly in the proper order all the facts bearing on the case, and the conclusions which these facts appear to justify.
20. In reporting on cases of a confidential character, in which it is not desirable that the facts should be made public, mark the word "confidential" both on the report and on the cover in which it is transmitted.
21. In all reports in which a previous report is referred to, state in addition to the number and date of the report referred to, its general purport.