The Code of Ethics (sometimes written as COE) class is required every 3 years by the National Association of Realtors®. 

Code of Ethics Online Courses:

If you are due to take your COE class, you may find online cources or in person classes that you may attend. Once you have participated in a class, keep your certificate for your files to submit to NAR when it is time. Where to submit your COE class certificate: NAR's Website

NAR's Code of Ethics, adopted in 1913, was one of the first codifications of ethical duties adopted by any business group. The Code ensures that consumers are served by requiring REALTORS® to cooperate with each other in furthering clients' best interests.

The 2020 Code of Ethics & Standards of Practice