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System: Tenant cannot change validation rules for the following fields
MARC BIB : LDR, 001, 005, 245 (only field), 999 ff, and control fields 006/007/008.
MARC AUTHORITY: LDR, 001, 005, 999 ff, and control field 008.
Standard: Some validation rules can be configured at the tenant level. Standard fields are documented by LOC as not local. (ex. 130)
245 indicator/subfields are standard but tag/field is standard.Local: all validation rules can be configured by the tenant. Local fields are:
Not documented by LOC as a valid tag (ex. 192)
- Documented as a MARC local tag by LOC > 9xx, x9x, or xx9 (except 999 and 490)
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