1. All NEMOs shall develop, maintain and operate the following algorithms:
(a)
a price coupling algorithm;
(b)
a continuous trading matching algorithm.
2. NEMOs shall ensure that the price coupling algorithm and the continuous trading matching algorithm meet the requirements provided for in Articles 39 and 52 respectively.
3. By 18 months after the entry into force of this Regulation, all NEMOs shall in cooperation with TSOs develop a proposal for a back-up methodology to comply with the obligations set out in Articles 39 and 52 respectively. The proposal for a methodology shall be subject to consultation in accordance with Article 12.
4. Where possible, NEMOs shall use already agreed solutions to efficiently implement the objectives of this Regulation.