FAQ on Canadiana numbers (field 016)

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May I reuse a Canadiana number?

You must never reuse a Canadiana number in a field 016 $a, if it's already been attributed, even if it was previously attributed to an authority record that has since been deleted. If a Canadiana number has been reused by mistake, a new one should be assigned (see Question 2).

What should I do if the same Canadiana number appears in two separate authority records?

If the same Canadiana number appears in two separate authority records in Canadiana, assign a new number in the most recent record (with the most recent date in field 008/00-05).

  • The oldest authority record retains its Canadiana number (example: XXXXAXXXXF).
  • A new Canadiana number should be attributed to the most recent record (example: YYYYAYYYYF) and the other number (XXXXAXXXXF) should be recorded in subfield $z in the same 016 field as the new number (recorded in $a).

What do I do if the same entity has two different Canadiana numbers in the Canadiana file and in NACO?

If the same entity does not have the same Canadiana number in the Canadiana file and in NACO, please report this situation to: pfan-fnap@bac-lac.gc.ca.

Who do I contact if I need a new list of Canadiana numbers for field 016?

For a new list of Canadiana numbers, please send a request to: servicesauxbibliotheques-libraryservices@bac-lac.gc.ca.

What are the generic Canadiana numbers used in Canadiana records? [New]

Number Explanation
0000X0000F This number identifies a duplicate record marked for deletion.

The notice includes note 667: Notice doublon, signalée pour suppression car remplacée par [numéro Canadiana de la notice à conserver] ([date]).

For further information, see Procedures for Duplicates

1111X1111F This number identifies a record modified during a partial update of a work or expression record.

The notice includes note 667: CETTE NOTICE A FAIT L'OBJET D'UNE MODIFICATION PARTIELLE. LE NUMÉRO CANADIANA GÉNÉRIQUE 1111X1111F DANS LA 016 DOIT ÊTRE REMPLACÉ PAR UN NUMÉRO UNIQUE LORSQUE LA NOTICE EST ÉVALUÉE.

For further information, see Procedure for partial modification of records describing works and expressions

2222X2222F This number identifies a record that has been partially modified during a data correction project (e.g. deletion of a field, batch modification by OCLC, etc.) It is reserved for standards committee projects.

The notice includes note 667: CETTE NOTICE A FAIT L'OBJET D'UN PROJET SPÉCIAL DE CORRECTION DES DONNÉES. LE NUMÉRO CANADIANA GÉNÉRIQUE 2222X2222F DANS LA ZONE 016 DOIT ÊTRE REMPLACÉ PAR UN NUMÉRO UNIQUE LORSQUE LA NOTICE EST ÉVALUÉE.

3333X3333F Number reserved for further use.

These numbers are excluded from the validation process for duplicate numbers in zone 016 and do not generate an error message.

Last update: 2024-03-26

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