California Code
ARTICLE 4 - Fees and Charges
Section 800.40.

800.40. The management shall give a homeowner written notice of any increase in his or her rent at least 30 days before the date of the increase, and the reason for the increase, including the basis for any calculation used in determining the amount of the increase.

(Amended by Stats. 1991, Ch. 942, Sec. 5.)