CA Health & Safety Code Section 7906

After all remains have been removed from a cemetery in accordance with Chapters 3 and 4, Part 2, Division VII of this code, the dedication may be removed from all or any part of such cemetery lands by an order and decree of the superior court of the county in which the property is situated, in a proceeding brought for that purpose and upon notice of hearing and proof satisfactory to the court:

(a)

That all bodies have been removed, or that no interments were made; and

(b)

That the property is no longer used or required for interment purposes.