IBP banding data system: Internal maintenance specification

See comments under Section 49, “class MicroPPCField: Primary coverts micro-aging field”.

# - - - - -   c l a s s   M i c r o U N P F i e l d   - - - - -

class MicroUNPField(MicroAgingField):
    '''Represents the (obsolete) underparts micro-aging field.
    '''
    pass