IWG RD-ASEP has two parts:
A) RD-ASEP for UN-R51, to develop a mandatory procedure after the
monitoring phase
B) RD-ASEP for UN-R41: ASEP second step, to develop stricter ASEP limit
curves
Informal Working Group: A group of experts authorized to develop proposals for consideration by WP.29 without being bound by formal UN rules of procedure.