Subpoenas, including subpoenas duces tecum, requiring a person to attend a particular time and place to testify as a witness, may be issued in connection with any dispute pending before an arbitrator, and shall be issued at the request of the Clerk, an arbitrator, the tenant(s) or the owner. Subpoenas shall be issued and attested by the Clerk of the City Council. A subpoena duces tecum shall be issued only upon the filing with the Clerk of the City Council of an affidavit showing good cause for the production of the matters of things desired to be produced, setting forth in full detail the materiality thereof to the issues involved in the proceedings, and stating that the witness has the desired matters or things in his or her possession or under his or her control, and a copy of such affidavit shall be served with the subpoena. Any subpoena or subpoena duces tecum issued pursuant to the provisions of this chapter may be served in person or by certified mail, before the hearing for which the attendance is sought. Service by certified mail shall be complete on the date of receipt. Any subpoena or subpoena duces tecum issued pursuant to the provisions of this chapter shall be deemed issued by and in the name of the Sebastopol City Council.