Section 3593 Of Article 3. Spousal Support From California Family Law Code >> Division 9. >> Part 1. >> Chapter 3. >> Article 3.

. Sections 3590 and 3591 are effective only with respect to a property settlement agreement entered into on or after January 1, 1970, and do not affect an agreement entered into before January 1, 1970, as to which Chapter 1308 of the Statutes of 1967 shall apply.