| MARC field | MARC type | Validation rule |
|---|
| LDR | Authority | Position 17 and 18 do not require validation | LDR | Authority | - The Leader must contain 24 characters, including null spacesOnly positions 5, 8, 17, 18 and/or 19 can be edited in the Leader
|
|---|
| 006 | Authority | - No change from MARC bib validation
|
|---|
| 007 | Authority | - Unexpected length of the field
- No change from MARC bib validation
| 008 | AuthorityLeader at 17-18 position doesn't match |
|---|
| 008 | field | Authority | - Unexpected length of the field
|
|---|
| 010 | Authority | - Subfield length should be more than 3 characters
- No change from MARC bib validation
|
|---|
| 1XX | Authority | - Must have one 1XX MARC Tag
|
|---|
| 01X - 999 | Authority | Only 2 indicators with one-character values can exist |
|---|
| 245 | Authority | No validation |
|---|
| aaa-zzz | Authority | Alphabetical fields are restricted |
|---|