Select the best answer. 1. Rule 203 of the AICPA's Code of Professional Conduct pertains to a. CPAs' independence b. Authorities designated to establish accounting standards c. Standards of competency d. Solicitation of new clients by a CPA Select the best answer. 1. Rule 203 of the AICPA's Code of Professional Conduct pertains to a. CPAs' independence b. Authorities designated to establish accounting standards c. Standards of competency d. Solicitation of new clients by a CPA