Decisions 22.12.2023 ACER Decision No 18-2023 on the TSO's proposal for amendment of the harmonised allocation rules for long-term transmission rights Annexes ACER Decision 18-2023 on HAR - Annex I ACER Decision 18-2023 on HAR - Annex Ia ACER Decision 18-2023 on HAR - Annex II