Cal. Code Regs. tit. 5, § 17431 – Definitions.

(a) Headquarters --The headquarters of the county superintendent and staff members is the main office of the county superintendent. The county superintendent may establish an alternate location as headquarters for designated staff members if these individuals are required to spend more than fifty (50) percent of their time at an alternate location.
Headquarters shall be established for each staff member whose duties require travel and each staff member's residence shall be noted.
(b) Curricular and Special Services--Curricular and special services are those services authorized or required by law to be provided to the school districts of the county that are financed from the county school service fund.
(c) Other Activities. Other activities are defined as those functions authorized by law or regulation to be performed by the county superintendent of schools.