California Code
CHAPTER 5 - Powers of Termination
Section 885.015.

885.015. This chapter does not apply to any of the following:

(a) A power of termination conditioned upon the continued production or removal of oil or gas or other minerals.

(b) A power of termination as to separately owned improvements or fixtures conditioned upon the continued leasehold or possessory interest in the underlying land.

(Amended by Stats. 1991, Ch. 156, Sec. 16.)