Like when the Governor vacationed in Montana with full state security— no problem the state said, the governor is not expending tax dollars on vacation and security fits a health and safety exemption.I am sure there are ways around this mandate.

Editorial: Repeal California's ban on state-funded travel to some states
It's riddled with loopholes and has been ineffective at stopping red states from passing discriminatory laws.

From the Times editorial:
“Nor has the travel ban stopped the economic activity generated by college sports. Athletes from California’s public universities still participate in games across the nation, they just use private dollars instead of taxpayer money to fund trips to prohibited states.”