21 CFR § 1271.170 - Personnel.

(a) General. You must have personnel sufficient to ensure compliance with the requirements of this part.

(b) Competent performance of functions. You must have personnel with the necessary education, experience, and training to ensure competent performance of their assigned functions. Personnel must perform only those activities for which they are qualified and authorized.

(c) Training. You must train all personnel, and retrain as necessary, to perform their assigned responsibilities adequately.