Amends GS 15A-1340.16(e) concerning aggravated and mitigated sentences, enacting new subdivision (14a), which provides that it is a mitigating factor that the defendant has been diagnosed as suffering from posttraumatic stress disorder (PTSD) as a result of his or her military service in one or more combat zones and is undergoing treatment for that condition. Sets out and defines PTSD for use in this section. Requires documentary evidence to be submitted to the court to verify military service and PTSD diagnosis. Effective October 1, 2021.