904 Requirement Designator Code
Code specifying the requirement designator as specified in the standard or standards convention
- Type
 - Identifier (ID)
 - Length
 - Min 1 / Max 1
 - Codes
 | Code | Description | 
|---|
|  C | Conditional | 
|  F | Floating | 
|  M | Mandatory | 
|  N | Not Used By Convention | 
|  O | Optional | 
|  R | Required by Convention |