21 CFR §1.503

1. (a)Qualified individual. A qualified individual must develop your FSVP and perform each of the activities required under this subpart. A qualified individual must have the education, training, or experience (or a combination thereof) necessary to perform their assigned activities and must be able to read and understand the language of any records that must be reviewed in performing an activity.
2. (b)Qualified auditor. A qualified auditor must conduct any audit conducted in accordance with § 1.506(e)(1)(i) or § 1.511(c)(5)(i)(A). A qualified auditor must have technical expertise obtained through education, training, or experience (or a combination thereof) necessary to perform the auditing function.