NAR Code of Ethics Training - Cycle: 2017 - 2018 NAR - Current Code of Ethics Training Cycle: Jan 1, 2017 - Dec 31, 2018. All REALTORS must take a 2.5 hour Code of Ethics Course within the current cycle. FREE online training is available through NAR. Click on the link to go to NAR's site. Waivers/MLS Exclusions Filed Here Effective June 18, 2018, all MLS Waivers must be filed directly with CRMLS. Please see the link above to submit your Exclusion form within 2 business days of the listing agreement. The CRMLS Exclusion Form can be accessed through the link above & is also provided in ZipForms under the CRMLS library.