Sch 3 para 18
(1) A reference under paragraph 13 of a dispute does not prevent any person from bringing or continuing any civil or criminal proceedings in or before a court with respect to any of the matters under dispute. (2) Sub-paragraph (1) is subject to— (a) paragraph 15(4) (determination binding on all parties), and (b) any agreement to the contrary. (3) Any reference of a dispute to OFCOM, or consideration or determination by OFCOM of a dispute, does not prevent OFCOM from exercising any of their powers (or from doing anything in connection with the exercise of any of their powers) in relation to the subject-matter of the dispute.