The AICPA Code of Professional Conduct (the code) begins with this preface, which applies to all members The term member, when used in part 1 of the code, applies to and means a member in public practice; when used in part 2 of the code, applies to and means a member in business; and when used in part 3 of the code, applies to and means all other members, such as those members who are retired or unemployed.