California Code, Government Code - GOV § 16191

(a) The claimant continues to own and occupy or hold the possessory interest and occupy the premises as a residential dwelling, but ceases to postpone property taxes pursuant to Chapter 2 (commencing with Section 20581), Chapter 3 (commencing with Section 20625), Chapter 3.3 (commencing with Section 20639), or Chapter 3.5 (commencing with Section 20640) of Part 10.5 of Division 2 of the Revenue and Taxation Code, and does not allow any tax or assessment against the premises, as described in Section 20583 of such code, to become delinquent.

(b) The surviving spouse of a claimant continues to own and occupy or hold the possessory interest and occupy the premises as a residential dwelling, but is ineligible to postpone property taxes pursuant to Chapter 2 (commencing with Section 20581), Chapter 3 (commencing with Section 20625), Chapter 3.3 (commencing with Section 20639), or Chapter 3.5 (commencing with Section 20640) of Part 10.5 of Division 2 of the Revenue and Taxation Code, or elects not to postpone such taxes, and does not allow any tax or assessment against the premises, as described in Section 20583 of such code, to become delinquent.

(c) The surviving individual otherwise eligible to postpone property taxes pursuant to Chapter 2 (commencing with Section 20581), Chapter 3 (commencing with Section 20625), Chapter 3.3 (commencing with Section 20639), or Chapter 3.5 (commencing with Section 20640) of Part 10.5 of Division 2 of the Revenue and Taxation Code continues to own and occupy or hold the possessory interest and occupy the premises as a residential dwelling, but elects not to postpone the property taxes pursuant to such chapter, and does not allow any tax or assessment against the premises, as described in Section 20583 of such code, to become delinquent.