Requests the Subsidiary Body for Scientific and Technological Advice to work on the issues referred to in paragraph 2 above [that if resolved, would lead to the potential] [for the] development of [any] modalities and procedures for clean development mechanism project activities relating to carbon dioxide capture and storage in geological formations [, including the definition of the project boundary and participation requirements as well as the assignment of long-term liability,] and report [on the progress][back] on this matter to the Conference of the Parties serving as the meeting of the Parties to the Kyoto Protocol at its [sixth][seventh] session.]
4. Requests the Subsidiary Body for Scientific and Technological Advice to work on the issues referred to in paragraph 2 above [that if resolved, would lead to the potential] [for the] development of [any] modalities and procedures for clean development mechanism project activities relating to carbon dioxide capture and storage in geological formations [, including the definition of the project boundary and participation requirements as well as the assignment of long-term liability,] and report [on the progress][back] on this matter to the Conference of the Parties serving as the meeting of the Parties to the Kyoto Protocol at its [sixth][seventh] session.]