(a) Every person required to register under Section 290, who applies for or accepts a position as an employee or volunteer with any person, group, or organization where the registrant would be working directly and in an unaccompanied setting with minor children on more than an incidental and occasional basis or have supervision or disciplinary power over minor children, shall disclose his or her status as a registrant, upon application or acceptance of a position, to that person, group, or organization