- <>I6 - Implementation Dependent Segment Missing 
- <>7 - Segment Not in Proper Sequence 
- <>1 - Unrecognized segment ID 
- <>4 - Loop Occurs Over Maximum Times 
- <>2 - Unexpected segment 
- <>I4 - Implementation "Not Used" Segment Present 
- <>5 - Segment Exceeds Maximum Use 
- <>I9 - Implementation Dependent "Not Used" Segment Present 
- <>8 - Segment Has Data Element Errors 
- <>3 - Required Segment Missing 
- <>I7 - Implementation Loop Occurs Under Minimum Times 
- <>6 - Segment Not in Defined Transaction Set 
- <>I8 - Implementation Segment Below Minimum Use