The Ceylon Civil Service, popularly known by its acronym CCS, was the premier civil service of the Government of Ceylon under British colonial rule and in the immediate post-independence period. Established in 1833, it functioned as part of the executive administration of the country to various degrees until Ceylon gained self-rule in 1948. Until it was abolished on 1 May 1963 it functioned as the permanent bureaucracy or secretariat of Crown employees that supported the Government of Ceylon.