A. A practice may only generate credits when it is installed or placed into operation and all appropriate operation and maintenance guidelines are being followed. The Department shall consider the total estimated annual credits generated from any practice installed and given final certification within a given year to be generated the following year starting January 1.
B. Credits may be certified for more than 1 year but shall only be applied annually.
C. The Department shall include the number of years a credit is valid as part of the credit registration.