California Code, Government Code - GOV § 21075

Notwithstanding Section 20340, a person who is subject to Section 21076, 21076.5, or Section 21077 ceases to be a member if he or she has less than 10 years of service credit and no accumulated contributions in the retirement fund at the time of termination of service, except a member who had five years of credited service prior to January 1, 1985.