Character position definition and scope:

A one-character alphabetic code indicates whether or not the furniture, equipment, and display racks have been arranged to accommodate people with disabilities.

Guidelines for applying content designators:

Code:

Description:

a

Unaccessible furniture, equipment, display racks

b

Accessible furniture, equipment, display racks

c

No furniture, equipment, display racks

n

Not applicable

u

Unknown

See also:

007  Physical Description Fixed Field

Variable Control Fields