Amends GS Chapter 90 to add a new Article 5G to establish standards for prescribing controlled substances electronically. GS 90-113.91 sets out requirements for electronically transmitting a prescription for a controlled substance to a pharmacy to include (1) a valid medical relationship between the prescriber and the patient, (2) certain identifying information about the prescribing practitioner and the practitioner’s electronic signature, (3) transmitting the prescription to a pharmacy of the patient’s choice, (4) protections against an intervening person intercepting the electronic transmittal, and (5) transmitting the prescription directly from the practitioner to the pharmacy. GS 90-113.92 sets out five specific requirements for the software or hardware to be used when electronically transmitting prescriptions for controlled substances. Includes applicable definitions. Effective October 1, 2011.