Section 61.203 - Detariffing of competitive local exchange carriers(a) Competitive local exchange carriers shall remove all business data services from their interstate tariffs.(b) The detariffing must be completed by August 1, 2020. 82 FR 25711 , June 2, 2017, as amended at 84 FR 38579 , Aug. 7, 2019 82 FR 25711 , 8/1/2017; 83 FR 34793 , 7/23/2018; 84 FR 38579 , 9/6/2019