1. Allowances covered by Chapter IVa of Directive 2003/87/EC shall be placed in and released from a separate section of the reserve established pursuant to Article 1 of this Decision, in accordance with the rules set out in this Article.

2. The placing of allowances in the reserve under this Article shall operate from 1 September 2028. The allowances covered by Chapter IVa of Directive 2003/87/EC shall be placed in, held in, and released from the reserve separately from the allowances covered by Article 1 of this Decision.

3. In 2027, the section referred to in paragraph 1 of this Article shall be created in accordance with Article 30d(2), second subparagraph, of Directive 2003/87/EC. From 1 January 2031, the allowances referred to in that subparagraph that have not been released from the reserve shall no longer be valid.