The State of California started the idea of the ACS to get volunteers from many professions to come together and work as unpaid employees of the state, and has actively promoted this idea to other agencies that closely work with the state.
2000-01 EmComm Bulletins
TO: Emergency Communications Units - Information Bulletin
TO: Emergency Management Agencies via Internet and Radio
FROM: Auxiliary Communications Service (ACS) of the California Governor's Office of Emergency Services