These Regulations set up a right of appeal to the Competition and Markets Authority (the “CMA”) against a decision (an “Authority decision”) by the Water Services Regulation Authority (the “Authority”) to revise or not to revise a code designated for the purposes of section 207A(2) of the Water Industry Act 1991 (c. 56) (the “Act”). The relevant codes are designated in regulation 3 and are listed in a table in the Schedule.