The recent temporary rule change and administrative rule change in Oregon that undermine the tiny house industry are definitely a problem; however, I don't think they represent a long term problem in the end. (tinyhousebuild.com)
Never make temporary rules in order to save your taxes or make an ill - conceived goal (policybazaar.com)
The American Bar Association (ABA) Section of Taxation recently proposed temporary rules regarding the federal income tax treatment of cryptocurrency hard forks, many of which occurred over the course of 2017. (finder.com)