Electricity market rules 6. (1) The wholesale electricity market shall be governed by electricity market rules. (2) The Utility shall within six months of the commencement of these Regulations prepare electricity market rules to govern the following: (a) wholesale market procedures, including invoicing, payments, adjustment of payments with interest for late or over payments, and monetary penalties; (b) the market manual; and (c) procedures for settling complaints and disputes among market participants. (3) The procedures and manuals under sub regulation (1) shall be subject to the approval of the Commission. (4) For the purpose of this regulation, "over payment" means any payment made that exceeds the actual amount owing.