Section 20672 Of Article 1. Normal Contributions From California Government Code >> Division 5. >> Title 2. >> Part 3. >> Chapter 8. >> Article 1.

. For purposes of this chapter, the age of entry into this system as a member in any membership category for a person who enters on or after October 1, 1957, and within 90 days after last rendering service as a member of a county retirement system and who retains his or her membership in that system shall be his or her age at entry into the county retirement system.