(a)
A contract or offer which is subject to approval, for the sale, lease, or rental of a water treatment device shall be deemed a home solicitation contract or offer, as defined in subdivision (a) of Section 1689.5 of the Civil Code regardless of where the contract or offer was made, and shall be subject to the provisions of Sections 1689.5 to 1689.13, inclusive, of the Civil Code if the contract or offer arises out of a scheduled presentation to promote the sale, lease, or rental of a water treatment device to a person invited to attend the presentation at a location other than a private residence.(b)
No water treatment device or any other materials that are the subject of a contract offer described in subdivision (a) shall be delivered and no installation or other services shall be performed until the expiration of the rescission period provided in Sections 1689.5 to 1689.13, inclusive, of the Civil Code.
Source:
Section 17577.3, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=BPC§ionNum=17577.3..