Legal organisation name: This is the name of the owner of the organisation that appears on all legal papers.
MAU
Management accounting unit: These are the principal business unties for which regular accounts are maintained. e.g. a division of a large business such as BHP's Steel Division. MAU's are ABS defined but are a popular way for large businesses to manage diverse undertakings.
MN
Main name: This is the name of the entity that appears on all official documents or legal papers. May be the registered Business name where it is different to the Trading name.
MTR
Main trading name: The main name that the organisation trades under or the name by which suppliers or customers know the organisation (Also know as Trading name).
OTH
Other name
OTR
Other trading name: Alternative trading name for an organisation that is not registered.