Code indicating how a specific segment's statement of a rate restriction is evaluated, and its relationship to rate restrictions stated within other segments of the same segment definition. This is a three-part code constructed as follows: position one valid codes are ``P'' or ``M''; position two valid codes are A, O, or I; position three may be any alphanumeric character for grouping.

Code defined in the official railway equipment register which identifies the type of restriction or provision applicable to a rate. When combined with element 499, a specific rate restriction or provision is represented.

Identifies rate restrictions or provisions of a type identified with data element 498. When combined with 498, a specific rate restriction or provision is represented.

Identifies rate restrictions or provisions of a type identified with data element 498. When combined with 498, a specific rate restriction or provision is represented.

Identifies rate restrictions or provisions of a type identified with data element 498. When combined with 498, a specific rate restriction or provision is represented.

Number assigned for differentiation within a transaction set.

Code indicating change type.