A maximum limit of 2.5% of a country's assigned amount (target) has been set for banking credits for future use in the next commitment period, for both Emission Reduction Units from Joint Implementation projects and Certified Emission Reductions from Clean Development Mechanism projects. Assigned Amount Units from emissions trading can be carried forward without restriction, whereas Removal Units assigned to removal of CO2 by sinks cannot be banked at all.
a provision in District permit regulations that allows a facility to obtain credits for reducing emissions beyond regulatory limits and use those credits at a later date, similar to how a savings account works
Depositing a week of timeshare into an exchange company's "bank." If an owner does not use a week in a particular year, they are generally allowed to bank it and use it at a later time. See also: accrued weeks and space banking.