Cal. Government Code § 9131

For the period ending on November 30 of each year, the Assembly Committee on Rules, the Senate Committee on Rules, and the Joint Rules Committee shall annually prepare a report to the public of all expenditures made from the operating fund subject to their direction and control. The report shall be made available to the public by November 30 of the year following that for which it is prepared. The report shall include, but not be limited to, a list of expenditures for each Member and committee of the Legislature in the following categories: (a) Out-of-state travel and living expense reimbursement and in-state travel and living expense reimbursement. (b) Automotive expenses. (c) Building utilities, maintenance, and rent. (d) Telephone. (e) Postage. (f) Printing. (g) Office supplies. (h) Newsletters. (i) Per diem for attendance at legislative sessions. (j) Employee salaries and benefits. (k) Employee travel and per diem. (l) Equipment and furniture. (m) Telegraph. (n) Freight. (o) Publications. (p) Study contracts and any other contract not reported under any other category. (q) Meals. (r) Ceremonies and events. (s) First-class air travel. (t) Automotive repairs. (u) Office alterations. (v) All other expenditures.