allocation rules — the rules for forward capacity allocation applied by the single allocation platform (3)

auction — the process by which long-term cross-zonal capacity is offered and allocated to market participants who submit bids (5)

compensation rules — the rules according to which each TSO responsible for the bidding zone border, where long-term transmission rights have been allocated, compensates transmission right holders for curtailing the long-term transmission rights (10)

forward capacity allocation — the attribution of long-term cross-zonal capacity through an auction before the day-ahead time frame (1)

long-term transmission right — a physical transmission right or a FTR — option or a FTR — obligation acquired in the forward capacity allocation (2)

market spread — the difference between the hourly day-ahead prices of the two concerned bidding zones for the respective market time unit in a specific direction (9)

nomination — the notification of the use of long-term cross-zonal capacity by a physical transmission rights holder and its counterparty, or an authorised third party, to the respective TSOs (7)

nomination rules — the rules with regard to the notification of use of long-term cross-zonal capacity by a physical transmission rights holder and their counterparty, or an authorised third party, to the respective TSOs (8)

single allocation platform — the European platform established by all TSOs for forward capacity allocation (4)

UIOSI — the principle according to which the underlying cross-zonal capacity of physical transmission rights purchased and non-nominated is automatically made available for day-ahead capacity allocation and according to which the holder of these physical transmission rights receives remuneration from the TSOs (6)