Section 178.400 - Incompetent person cannot be tried or adjudged to punishment for public offense1. A person may not be tried or adjudged to punishment for a public offense while incompetent.2. For the purposes of this section, "incompetent" means that the person does not have the present ability to:(a) Understand the nature of the criminal charges against the person;(b) Understand the nature and purpose of the court proceedings; or(c) Aid and assist the person's counsel in the defense at any time during the proceedings with a reasonable degree of rational understanding.[1911 Cr. Prac. § 535; RL § 7385; NCL § 11183]-(NRS A 1981, 1656; 1995, 2458; 2007, 185)[1911 Cr. Prac. § 535; RL § 7385; NCL § 11183] - (NRS A 1981, 1656; 1995, 2458; 2007, 185)