E8 Blocking and Response Information
To identify a block of cars and the response information
Position
Element
Name
Type
Requirement
Min
Max
Repeat
E8-01Block Identifier
String (AN)
Conditional
1
12
1
Identifier for a block of cars
R0102: At least one of E8-01 or E8-02 is required
E8-02Movement Authority Code
Identifier (ID)
Conditional
1
2
1
Code indicating the interchange authority