California Code, Civil Code - CIV § 1812.53

(a) No contract for dance studio lessons and other services shall require payments or financing by the buyer over a period in excess of one year from the date the contract is entered into, nor shall the term of any contract be measured by the life of the buyer. However, the lessons and other services to be rendered to the buyer under the contract may extend over a period not to exceed seven years from the date the contract is entered into.

(b) All contracts for dance studio lessons and other services that may be in effect between the same seller and the same buyer, the terms of which overlap for any period, shall be considered as one contract for the purposes of this title.