Character position definition and scope:

A one-character alphabetic code indicates that the category of material to which the item belongs is unspecified.  The meaning of the remaining character positions in field 007 are dependent upon the value in this character position (007/00).  A fill character ( | ) is not allowed in this position.

Record requirements for National-level records:  Mandatory; for Minimal-level records:  Optional.

Guidelines for applying content designators:

Code:

Description:

z

Unspecified - The item is not identified by one of the other 007 category-of-material codes (in character position 00).  This category is also used for an item having multiple physical forms that are not being specifically denoted (for instance, when the item in hand is a collection containing different material categories and an institution chooses not to input separate 007 fields for the various components).

To return, select:

007:  Unspecified

007  Physical Description Fixed Field