BobKamman
Level 15

Well, yes, but remember that President Trump signed the 2017 law that changed all this.  Some people got a free pass for 2018 until IRS decided the law is the law.  A few pages of history are at 

https://taxpayeradvocate.irs.gov/Media/Default/Documents/2020-JRC/JRC20_Volume1_AOF_02.pdf