How can I add additional categories to my current instructor certification?

Submit a written request to the attention of the Training Unit to include any additional documentation to verify eligibility to teach in the requested subjects. You must have training and/or experience in the specific category in order to be eligible for instructor certification. For more information, please refer to the following portion of the Regulations Relating to Private Security: 6 VAC 20-171-100. Initial instructor application. Please note that Firearms Instructors have additional requirements. Please see the question below.