Sec. 353.103. TIME PRICE DIFFERENTIAL FOR RETAIL INSTALLMENT CONTRACT. (a) A retail installment contract may provide for: (1) any amount of time price differential permitted under Section 353.104, 353.105, or 353.106; or (2) any rate of time price differential not exceeding a yield permitted under Section 353.104, 353.105, or 353.106. (b) The time price differential may be computed using the: (1) precomputed earnings method; (2) scheduled installment earnings method; or (3) true daily earnings method. Added by Acts 2011, 82nd Leg., R.S., Ch. 117 (H.B. 2559), Sec. 17, eff. September 1, 2011.