Field H-2RequiredIdentification Fields
Metro 2 Field H-2: Record Identifier (Header)
Constant value that identifies the first physical record of the file as the Header Record. It tells the receiving bureau that the file metadata (reporter identifiers, cycle, dates) follows.
Quick Reference
Field Number:H-2
Position:5-10
Length:6 characters
Type:alphanumeric
Record:Header Record
Required:Yes
Allowed Values
| Value | Meaning |
|---|---|
| HEADER | Header record identifier |
Validation Rules
- Must contain the literal value HEADER
- Must be left-justified
- Appears exactly once, as the first record in the file
Examples
HEADERCommon Errors
- Missing or misspelled HEADER literal
- Header placed after Base Segments instead of first
Tips & Best Practices
- The Header is the file's cover sheet — one per file, always first
- A missing/invalid Header rejects the entire file (see error H001)
Related Fields
Other Identification Fields
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