At the hearing before the Board, its referee or Hearing Officer, the applicant is entitled to appear in person and/or by counsel, and such evidence as is necessary and proper to resolve the issues presented shall be received. The applicant may file a written answer or statement in which he may controvert any point at issue, and may present any argument or evidence for consideration. Any association may appear as a party of interest in the matter and at the hearing if it so desires.
Cal. Code Regs. Tit. 4, § 1988