Data synchronization allows for the processing of multiple file formats. In order to ensure your files are processed correctly, please follow the data requirements below.
Note:
MARC records must contain valid Leader and Directory information in order for a file to be recognized and processed correctly. Please consult the Library of Congress MARC 21 Format for Bibliographic Data for valid Leader and Directory information.
Note: Certain Leader values will differ depending on whether the submitted data is MARC Bibliographic or MARC Holdings format:
Leader offset | Leader element in MARC bibliographic format | Valid values in MARC bibliographic format | Leader element in MARC holdings format | Valid values in MARC holdings format | |
---|---|---|---|---|---|
00-04 | Record length | Computer-generated, five-character number equal to the length of the entire record, including itself and the record terminator. The number is right justified and each unused position contains a zero. | Record length | Computer-generated, five-character number equal to the length of the entire record, including itself and the record terminator. The number is right justified and each unused position contains a zero. | |
05 | Record status | a, c, d, n, p | Record status | c, d, n | |
06 | Type of record | a, c, d, e, f, g, i, j, k, m, o, p, r, t | Type of record | u, v, x, y | |
07 | Bibliographic level | a, b, c, d, i, m, s | Undefined character position | blank space | |
08 | Type of control | blank space, a | Undefined character position | blank space | |
09 | Character coding scheme | blank space, a | Character coding scheme | blank space, a | |
10 | Indicator count | 2 | Indicator count | 2 | |
11 | Subfield code length | 2 | Subfield code length | 2 | |
12-16 | Base address of data | Computer-generated, five-character numeric string that indicates the first character position of the first variable control field in a record. The number is right justified and each unused position contains a zero. | Base address of data | Computer-generated, five-character numeric string that indicates the first character position of the first variable control field in a record. The number is right justified and each unused position contains a zero. | |
17 | Encoding level | blank space, 1, 2, 3, 4, 5, 7, 8, u, z | Encoding level | 1, 2, 3, 4, 5, m, u, z | |
18 | Descriptive cataloging form | blank space, a, c, i, n, u | Item information in record | i, n | |
19 | Multipart resource record level | blank space, a, b, c | Undefined character position | blank space | |
20 | Length of the length-of-field portion | 4 | Length of the length-of-field portion | 4 | |
21 | Length of the starting-character-position portion | 5 | Length of the starting-character-position portion | 5 | |
22 | Length of the implementation-defined portion | 0 | Length of the implementation-defined portion | 0 | |
23 | Undefined | 0 | Undefined | 0 |
For complete information about the MARC Leader, see:
Please ensure that your submitted UTF-8 MARC data files do not begin with a byte order mark (BOM). MARC data files received with byte order marks will be rejected.
MARC records must contain valid field and subfield information in order for a file to be recognized and processed correctly. Please consult the Library of Congress MARC 21 Format for Bibliographic Data for valid Field and subfield information.
Field/Subfield | Field/Subfield name | Requirement |
---|---|---|
035 | System Control Number | Required if available. If available, include an OCLC control number, with valid prefix, in every record. |
040 b | Cataloging Source: Language of cataloging | Include a language code if any cataloging data is in a language other than English. If this is not coded, our system will assume the item is cataloged in English. |
040 e | Cataloging Source: Description conventions | Include a cataloging description MARC code for rare and archival materials only. |
066 | Character Sets Present | Where this field exists, include 880 fields. |
245 | Title Statement | This tag is mandatory. Include the title proper. |
5xx | Note Fields | See ** below |
880 | Alternate Graphic Representation | Where this field exists, include field 066. |
**Use UTF-8 Unicode or MARC-8 character encoding.
Caution: For all tags, but especially when entering text into text fields (e.g., Comment, Description, etc.):
Caution: When the system identifies duplicate records or multiple matches in your submitted data sync file, the file will be rerun in an attempt to resolve the issue. Multiple reports and files may be generated for each retry.