# Commission Regulation (EU) No 543/2013 of 14 June 2013 on submission and publication of data in electricity markets and amending Annex I to Regulation (EC) No 714/2009 of the European Parliament and of the Council (Text with EEA relevance), Article 8: Year-ahead forecast margin

Extent: E+W+S+N.I.

1. For their control areas, TSOs shall calculate and publish for each bidding zone the year-ahead forecast margin evaluated at the local market time unit ....
The information shall be published one week before the yearly capacity allocation but no later than the 15th calendar day of the month before the year to which the data relates.
2. Generation units and DSOs, located within a TSO’s control area shall provide that TSO with any relevant information required to calculate the data referred to in paragraph 1.
Generation units and DSOs shall be considered as primary owners of the data they submit.

---
Source: https://www.legislation.gov.uk/eur/2013/543/article/8 (the official version)
Page: https://openlegislation.uk/eu-regulation-2013-543/article-8
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.