1 “... institutions and arrangements have been established only recently, and time is needed before...”

2 “...) could potentially change over time including to update assumptions of emission drivers or reflect...”

3 “... and their expected impacts on GHG emissions levels; and (iii) the timing of key decisions on accounting issues...”

4 “..., to deal with long time-frames and to measure sinks as well as sources of emissions. Finally, options...”