If anyone has any rule change proposals they wish to submit to the AMA for consideration use this link below up to Dec 31, 2017 for the 2019-2020 rules. Any AMA member can submit a rule change, then it get voted on during 2018 by the CL scale contest board
you can mail the form in or do it online
http://www.modelaircraft.org/events/ruleproposals.aspxFred