Calif FTB did this incorrectly for quite a number of California taxpayers:https://www.ftb.ca.gov/aboutFTB/Public_Service_Bulletins/2016/16-04222016.shtml See this site for what to do to prove your Calif withholding amounts:https://www.ftb.ca.gov/Bills_and_Notices/NTRC/CA-Income-Tax-Withholding.shtml
