United Nations Directories
for Electronic Data Interchange for
Administration, Commerce and Transport
a plus sign (+) for an addition
an asterisk (*) for an amendment to structure
a hash sign (#) for changes to names
a vertical bar (|) for changes to text for descriptions and
a minus sign (-) for marked for deletion (within either
batch and interactive messages)
a X sign (X) for marked for deletion (within both batch
and interactive messages)
7383 Surface or layer code [C]
Desc: Code specifying the surface or layer of an object.
1S Side one
The location is side one.
2S Side two
The location is side two.
AA On surface
To indicate that the entity being specified is on the
AB Off surface
To indicate that the entity being specified is off the
Specifies that the surface/layer/position being
described is the soluble portion.
AD Opposite corners
The surface or layer of the product being described is
the opposite corners.
AE Corner Diagonals
The surface or layer of the product being described are
the corner diagonals.
The left-hand side (looking forward) of a ship, boat or
The right-hand side (looking forward) of a ship, boat or
AH Tooth facial surface
Surface of a tooth directed toward the face and opposite
the lingual surface.
AI Tooth incisal surface
Surface of the tooth relating to the cutting edge of the
anterior teeth, incisors or canines.
AJ Tooth distal surface
Surface of the tooth toward the back of the dental arch,
or away from the midline.
AK Tooth buccal surface
Surface of the tooth pertaining to or around the cheek.
AL Tooth occlusal surface
Surface of the tooth pertaining to the masticating
surfaces of the posterior teeth.
AM Tooth lingual surface
Surface of the tooth pertaining to or around the tongue.
AN Tooth mesial surface
Surface of the tooth toward the midline of the dental
BC Back of cab
The location is at the back of the cab.
BS Both sides
The location is both sides.