Contains information about message. Code for the organization that sends the item master message, provided by Posti (principal identifier). Language code of the item master in two-letter ISO 639-1 format, e.g. FI. Identifier of the principal in external system (OVT code, EDI ID). Name of the document. This should be OutItemMaster. Date and time of item master creation. Identifier of the message which is unique at least in the scope of message sender. Item details. Unit of measure for Item quantity. Blank is also a valid value for non-service item. Global Trade Item Number. Unique identifier for an item that belongs to a principal's catalog organization. More item details. Unit of measure in which item width is measured. The width of one unit of item quantity. Unit of measure in which item weight is measured. The weight of one unit of item quantity. Unit of measure in which item length is measured. The length of one unit of item quantity. Unit of measure in which item height is measured. The height of one unit of item quantity. The description of the item. List of alternate units of measure. Alternate unit of measure information. Alternate UOM applicable for the item. Unit of measure in which item width is measured. Width of an item with alternate UOM. Unit of measure in which item weight is measured. Weight of an item with alternate UOM. Conversion quantity to the inventory UOM. Unit of measure in which item length is measured. Length of an item with alternate UOM. Unit of measure in which item height is measured. Height of an item with alternate UOM. String with maximum length of 2 characters. String with maximum length of 40 characters. String with maximum length of 128 characters. String with maximum length of 500 characters. Non-negative decimal with maximum of 14 total digits and 4 fraction digits.