Type: String
The delivery or pricing region associated with the commodity swap. See http://www.ecfr.gov/cgi-bin/text-idx?SID=660d6a40f836aa6ddf213cba080c5b22&node=ap17.2.43_17.e&rgn=div9 for the external code list.
Added in protocol FIX.5.0SP2 (EP 193)