"SUI Where You Work and SIT Where You Live"
This has always been the phrase used to remember where SIT and SUI applies, when you have EEs working in a different state than where they live. Now I hear people say it the other way. What is valid? Why would you pay SIT where you work instead of where you live? I am trying to make sense of this and see who is correct and if this is a good phrase to keep using. Thanks.