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AIA Code of Ethics and Professional Conduct: What the ARE Tests

The five canons of the AIA Code of Ethics, how the Rules of Conduct operationalize them, and how NCARB's Model Rules compare - all tested on the ARE PcM and AXP.

August 22, 2025

The AIA Code of Ethics Defines the Professional Obligations of Architects

The AIA Code of Ethics and Professional Conduct is the professional ethics framework that all AIA members are required to follow. It is also a frequent source of ARE PcM questions, especially in scenarios that test whether an architect's conduct crosses an ethical line. The Code is organized into Canons (broad principles), Ethical Standards (obligations derived from each canon), and Rules of Conduct (specific enforceable requirements). Understanding this three-tier structure is the starting point for answering ethics questions on the exam.

The Five Canons

CanonTopicCore Principle
Canon IGeneral ObligationsArchitects shall maintain and advance knowledge of architecture and contribute to its growth
Canon IIObligations to the PublicArchitects shall uphold the safety, health, and welfare of the public in their professional roles
Canon IIIObligations to ClientsArchitects shall serve clients competently and in a professional manner
Canon IVObligations to the ProfessionArchitects shall uphold the integrity of the profession and promote its advancement
Canon VObligations to ColleaguesArchitects shall respect the rights of others and promote equitable opportunities

Rules of Conduct: The Enforceable Layer

The Rules of Conduct translate the Canons into specific mandatory behaviors. AIA members can face disciplinary action - including reprimand, suspension, or expulsion from the AIA - for violating the Rules of Conduct. Ethical Standards are aspirational; Rules of Conduct are obligatory. For the ARE, focus on the Rules of Conduct because they are the testable, specific requirements.

Key Rules of Conduct include: architects shall not knowingly make false statements in the practice of architecture; architects shall not circumvent a project architect's relationship with a client; architects shall not falsely claim credit for another architect's work; and architects who become aware of a violation of the Code shall report it.

NCARB Model Rules of Conduct

The NCARB Model Rules of Conduct are separate from the AIA Code of Ethics but overlap substantially. NCARB's rules govern all licensed architects (whether AIA members or not) in jurisdictions that adopt them. The Model Rules address: competence (practicing only in areas of competence), conflict of interest (disclosure obligations), full disclosure (informing clients of relevant information), compliance with laws, and cooperation with licensing boards. State licensing boards can take disciplinary action - including license suspension or revocation - for violations of the Model Rules.

Common Ethics Scenarios on the ARE

  • Conflict of interest: The architect has a financial interest in a supplier whose products are specified on the project - must disclose to the client.
  • Competence: The architect is asked to design a building type they have no experience with - should either decline or associate with a qualified architect.
  • False claims: The architect implies they designed a building they only consulted on - violates Rules of Conduct.
  • Whistleblowing: The architect discovers a colleague has violated the Code - has an obligation to report.
  • Public safety: Discovering a safety hazard in a building they did not design - must report to the appropriate authority.

Key Exam Points

  • Three tiers: Canons (principles) → Ethical Standards (obligations) → Rules of Conduct (enforceable rules).
  • Five Canons: General, Public, Clients, Profession, Colleagues.
  • AIA can discipline members; state boards can revoke licenses under NCARB Model Rules.
  • Public safety always comes first - architects must report safety hazards regardless of client wishes.

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