the other hand it must be possible would be reasonable for quotas that have not been used up to be to periods they could used for environmental protection
On the other hand, it must be possible which would be reasonable for quotas that have not been used up to be transferred to subsequent periods, if they could be used for environmental protection purposes.
the other hand, it must be possible would be reasonable for quotas that have not been used up to be to periods, they could used for environmental protection