Streets and Highways Code § 6480

If any lot or parcel of land for which a bond has been issued is divided into two or more separate lots or parcels of land, including separate condominium interests, or if any two or more separate lots or parcels of land or separate condominium interests are combined into fewer lots or parcels, the bond or bonds may be surrendered and new bonds issued to the holder of the existing bond or bonds in the manner prescribed in this chapter.