Enacts new GS 20-187.4 to allow a member of the State Highway Patrol, subject to commanding officer approval, to engage in secondary employment that does not create a conflict of interest or impair the member's ability to perform expected duties. Specifies permitted types of secondary employment. Provides that the statute is not to be construed to allow a member to engage in secondary employment that requires the member to testify in court or make arrests. Requires the Secretary of Public Safety to adopt orders, rules, and regulations that are consistent with the statute.