; (C) establish rules for the registration, formation, oversight, and management of professional standards bodies, including procedures for the regular oversight of such bodies and revocation of their designation; and (D) in consultation with each professional standards body that registers under subsection (c), define conduct that does not have the purpose or substantial effect of subverting or impairing user autonomy, decision making, or choice, or of cultivating compulsive usage for users or increasing the usage of an online service by a child without parental consent, such as— (i) de minimis user interface changes derived from testing consumer preferences, including different styles, layouts, or text, where such changes are not done with the purpose of obtaining user consent or user data; (ii) algorithms or data outputs outside the control of a large online operator or its affiliates; and (iii) establishing default settings that provide enhanced privacy protection to users or otherwise enhance their autonomy and decision-making ability.