The remaining credits can be from JI and CDM projects or the rest of the emissions rights because the economic system present in the emissions quantity is less than the quantity of emissions in 1990, it has the right to release the remaining ready to sell.
Points may be left over from JI and CDM projects, or the right to release the rest of the economy, the amount of the current release less emissions in 1990 are eligible for release to be ready to sell.
May be left credit from the project and JI CDM or rights to release the remaining due to economic system makes the emission current is less than the release last year. Ad aimlessly, it has the right to release the remaining ready to sell.