Section R746-351-2 - DefinitionsA. "Competitive Local Exchange Carrier" (CLEC) means a provider of public telecommunications services certificated by the Commission pursuant to 54-8b-2.1, other than an ILEC.B. "Incumbent Local Exchange Carrier" (ILEC) means an incumbent telephone corporation as defined under Section 54-8b-2(4).C. "Substitute or Substitutable Service" means a service offered by a CLEC that is an economic alternative in terms of quality, quantity, and price to that provided by the ILEC.Utah Admin. Code R746-351-2