> If the employee changes location (even for the same employer), they are required to file an LCA with USCIS (They don't have to go through the whole H1B process)
I changed location from South Bay to San Francisco within the same company and they had to file a new LCA and an amended H1-B. It basically is the whole process again, minus the lottery. (Since I already had an H1-B, I'd already been counted against the yearly quota.)