California Code, Civil Code - CIV § 1812.628

(a) In addition to the circumstances described in subdivision (a) of Section 1689.5, a rental-purchase agreement regardless of the amount involved shall be deemed a home solicitation contract or offer if the rental-purchase agreement has an initial term that exceeds one week and was made at other than appropriate trade premises, as defined in subdivision (b) of Section 1689.5.

(b) In addition to any other right of cancellation, a consumer has the right to cancel a rental-purchase agreement, without penalty or obligation if the consumer has not taken possession of the property.