1. The day-ahead market gate opening time shall be at the latest 11:00 market time day-ahead.
2. The day-ahead market gate closure time in each bidding zone shall be noon market time day-ahead. TSOs or NEMOs in the region based on the CEE region or its neighbouring countries may set a different gate closure time until this region has joined single day-ahead coupling.
3. Market participants shall submit all orders to the relevant NEMOs before day-ahead market gate closure time, in accordance with Articles 39 and 40.
4. Each NEMO shall submit the orders received in accordance with paragraph 3 to perform the MCO functions in accordance with Article 7(2) by no later than a time specified by all NEMOs in the proposal for a single price coupling algorithm set out in Article 37(5).
5. Orders matched in single day-ahead coupling shall be considered firm.
6. MCO functions shall ensure anonymity of submitted orders.