Required field.

Sequential control number assigned manually by indexing staff.

For UN materials, the Record ID for bibliographic records always starts with capital letter «D».

For non-UN materials, the Record ID for bibliographic records always starts with capital letter «C».

Examples:

035 $a D0255478
[DHL Record ID for UN item]

035 $a D9555569
[UNOG Record ID for UN item]

035 $a C0115658
[DHL Record ID for non-UN item]