Any administrative proceeding under this article shall be conducted pursuant to the provisions of section 24-4-105, C.R.S. The securities commissioner may refer the conduct of any administrative proceeding to an administrative law judge pursuant to part 10 of article 30 of title 24, C.R.S. Every hearing in an administrative proceeding shall be public unless the securities commissioner, in the commissioner's discretion, grants a request joined in by all the respondents that the hearing be conducted privately.