Section 1389.4 Of Chapter 8.5. Agreement On Detainers From California Penal Code >> Title 10. >> Part 2. >> Chapter 8.5.

. Every person who has been imprisoned in a prison or institution in this State and who escapes while in the custody of an officer of this or another state in another state pursuant to the agreement on detainers is deemed to have violated Section 4530 and is punishable as provided therein.