(a)
Each state agency, department, and entity shall provide its employer identification number to the Treasurer. The Treasurer is authorized to use these employer identification numbers to monitor state money deposited outside of the centralized State Treasury System.(b)
Notwithstanding any other provision of law, a bank or financial institution shall, upon request from the Treasurer, provide to the Treasurer the account number, account balance, account owner of record, account type, account opening date, account closing date, and account purpose, if known, associated with the employer identification numbers described in subdivision (a), to assist the Treasurer in monitoring accounts and state money deposited outside of the centralized State Treasury System.
Source:
Section 16301.3, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=GOV§ionNum=16301.3..