California Code, Government Code - GOV § 19822.3

All state agencies shall implement and use the California Automated Travel Expense Reimbursement System (CalATERS) to automate processing of employee travel claims by July 1, 2009, unless the Controller recommends, and the Department of Finance approves, an exemption request. To request an exemption, a department or agency shall submit documentation to the Controller no later than July 1, 2007, to substantiate that the implementation of CalATERS is not feasible or cost-effective for that department or agency. The Department of Finance and the Controller shall jointly report to the Joint Legislative Budget Committee, not later than February 1, 2008, on the exemptions that have been approved and the bases for the exemptions.