If the resource has a publication date and a copyright date that are the same, record the publication date only.
264 _ 1 ‡aNew York :‡bRandom House,‡c2020.
Fixed field elements: DtSt (Type of date): s Date 1: 2020 If the resource has a publication date and a copyright date that are different, record the publication date in 264 _ 1 ‡c and add 264 _ 4 ‡c with the copyright date.
264 _ 1 ‡aNew York :‡bRandom House,‡c2020.
264 _ 4 ‡c©2019
Fixed field elements: DtSt (Type of date): t Date 1: 2020 Date 2: 2019 If the resource has no publication date but has a copyright date, record the copyright date as an implied publication date in 264 _ 1 ‡c and add 264 _ 4 ‡c with the copyright date.
264 _ 1 ‡aNew York :‡bRandom House,‡c[2020]
264 _ 4 ‡c©2020
Fixed field elements: DtSt (Type of date): t Date 1: 2020 Date 2: 2020 Note that
264 _ 1 ‡c ends in a period when recording a publication date, and ends in ] when recording an implied publication date.There is no ending punctuation after a copyright date in 264 _ 4 ‡c.
These edits should be done to all records being imported into Polaris. It is optional to save these edits to OCLC master records.