The Insurance Commissioner or a designee of the Insurance Commissioner may: Request the attendance of persons to testify or the production of documents; Issue a subpoena requiring the attendance of persons to testify or the production of documents; and Require testimony to be given under oath. The Insurance Commissioner or a designee of the Insurance Commissioner shall give all persons present who wish to testify an opportunity to do so, but may limit repetitious testimony. The Insurance Commissioner or a designee of the Insurance Commissioner may: Ask questions of anyone present at a hearing; Take questions from the audience and redirect the questions to others present at the hearing; and Refer questions to employees of the Maryland Insurance Administration who may respond after the hearing. The rules of evidence do not apply to a hearing held under this chapter. The Insurance Commissioner or designee of the Insurance Commissioner shall receive and mark all exhibits offered in testimony if they are relevant to the hearing.