The copyright registration number or legal deposit number of items acquired by copyright deposit or legal deposit. The agency assigning the number is always given with the copyright or legal deposit number.
Repeat the field when more than one agency has assigned a copyright or legal deposit number.
Copyright numbers have occasionally been added to LC printed cards. LC prints them in the lower left corner, below the LC legend.
If you are transcribing LC copy, do not enter the copyright number in field 017 or as a note. Do not treat such records as modified. should be blank unless other modifications have been made.
1st Indicator
Undefined. The 1st indicator position is undefined and contains a blank ( ).
Undefined
2nd Indicator
Display constant controller. The 2nd indicator position is undefined and contains a blank ( ).
Copyright or legal deposit number
8
No display constant generated
Subfields
‡a Copyright or legal deposit number
The copyright or legal deposit number.
‡b Assigning agency
The name of the agency assigning the number. Subfield ‡b must always be present whenever field 017 is used.
For fields containing more than one subfield ‡a, subfield ‡b is recorded only once after the last subfield ‡a.
‡d Date
The date on which the copyright registration number was assigned. Formulated according to ISO 8601 (yyyymmdd).
‡i Display text
Contains text to be displayed when the display constant associated with second indicator value is inadequate. When this subfield is present, the second indicator contains value 8.