Glossary Term: Non-Delivery Order Number
Acronym: u
The number allocated to an Offer or Bid in accordance with Section T4.8.4 or T4.8.8. The Non-Delivery Order Number (u) is an index used to rank non-delivered Offers or Bids from a BM Unit in a particular Settlement Period in order to determine the order of allocation the Period BM Unit Non-Delivered Offer Volume, or the Period BM Unit Non-Delivered Bid Volume.