https://archive.ph/aR1MT
“While I appreciate the author's work to create a more equal justice system, this policy needs to be part of budget discussions,” Newsom said in his veto message. “With our state facing continuing economic risk and revenue uncertainty, it is important to remain disciplined when considering bills with significant fiscal implications, such as this measure”
The Judicial Council has estimated that the expanded program would cost the state between $4 million and $9 million a year. The veto means the San Francisco program will end this year.
Newsom would probably veto it and say that it would be too expensive to change the state tax office and they don't have the budget to print new forms or get pencils.