The 2023/24 T-4 capacity auction was held on 27 April 2020. Prior to the auction, and in accordance with paragraph F.3.1.4 of the Capacity Market Code, the Regulatory Authorities made a number of adjustments to the final Demand Curve. This information note describes the quantum and rationale for these adjustments. Similar adjustments were made prior to the 2022/23 T-4 auction.