(a) An electing company may set the price for any nonbasic service at any level above the lesser of the:(1) service's long run incremental cost in accordance with the imputation rules prescribed by or under Subchapter D, Chapter 60; or(2) price for the service in effect on September 1, 1999.(b) Subject to Section 51.004, an electing company may use pricing flexibility for a nonbasic service. Pricing flexibility includes all pricing arrangements included in the definition of "pricing flexibility" prescribed by Section 51.002 and includes packages that include basic network services. Amended by Acts 1999, 76th Leg., ch. 1212, Sec. 43, eff. Sept. 1, 1999 Acts 1997, 75th Leg., ch. 166, Sec. 1, eff. Sept. 1, 1997.