AA       Customized Ordering Forecast
MM       Manufacturer to Manufacturer
MN       Consumer Sales Forecast
MP       Manufacturer to Publisher
OS       Operator to Shipper
OT       Operator to Transporter
PM       Publisher to Manufacturer
PS       Purchaser to Seller
SO       Seller to Operator
ST       Shipper to Transporter
TO       Transporter to Operator
TS       Transporter to Shipper
TT       Transporter to Transporter
XA       Requirement Forecast
XF       War Reserve Forecast