Section 345.080 - Obligation Under More Than One Contract(a) A retail seller may not induce a person or a husband and wife to become obligated at substantially the same time under more than one retail installment contract with the same seller for the deliberate purpose of obtaining a greater amount of time price differential than is permitted under this chapter for one retail installment contract.(b) A contract made by a retail buyer and retail seller after the 30th day after the date of a contract between that buyer and seller is presumed not to violate this section. Acts 1997, 75th Leg., ch. 1008, Sec. 1, eff. 9/1/1997.