If upon inspection or investigation a supervisor of attendance, probation officer, or officer of the Superintendent of Public Instruction determines that a person is in violation of any statutory provision or rule or regulation relating to the employment of minors, he shall report the violation to the Labor Commissioner. Such report shall be made within 48 hours, and shall be in writing, setting forth the fact that he has good cause to believe that such statutory provision or rule or regulation is being violated by the person. Upon receipt of the report of violation, the Labor Commissioner shall make an inspection or investigation of the violation and shall take such action as is provided in Section 1287 of the Labor Code.