====== RECORD LABEL (M;NR) ======



==== Field Definition and Scope ====

The Record Label is constructed according to the provisions of ISO 2709. The record label is strictly speaking not a field and cannot be edited manually. //**It is retained for compliance with the ISO 2709 standard only**//.



==== Application of Content Designators ====
This field does not have indicators or subfields, but consits of a number of coded data elements

^No. ^Content ^Length ^Character Position |
|(1) |Record Length |5 |0-4 |
|(2) |Record Status |1 | 5|
|(3) |Implementation Codes |4 |6-9|
|(4) |Indicator Length |1 |10 |
|(5) |Subfield Identifier Length |1 |11 |
|(7) |Base Adress of Data |5 |12-16|
|(8) |Directory Map|4 |20-23 |



List of fixed length data elements:


  - **Record Length, Character Position 0-4** \\ Five decimal digits, right justified with zero fill.
  - **Record Status, Character Position 5** \\ Codes:\\ **c** = corrected or revised record \\ **d** = deleted record \\ **n** = new record (default)
  - **Implementation Codes, Character Position 6-9** \\ __(a) Type of Record__ (character position 6) \\ Codes: **z** = general explanatory entry record (default)\\ __(b) Undefined__ (character positions 7-9): Three blanks.
  - **Indicator Length, Character Position 10** \\ One decimal digit (for the UNIMARC/Authorities format the value is 2).
  - **Subfield Identifier Length, Character Position 11** \\ One decimal digit (for the UNIMARC/Authorities format the value is 2).
  - **Base Address of Data, Character Position 12-16** \\ Five numeric digits, right justified with leading zeros, indicating the starting character position of the first data field relative to the beginning of the record.
  - **Additional Record Definition, Character Position 17-19** \\ __(a) Encoding Level__ (character position 17): \\ A one-character code indicates the degree of completeness of the machine record. The following codes have been defined, and others may be added at a later date. \\ Codes: \\  **3** = Partial (i.e., record does not contain complete data because appropriate reference work had not yet been carried out) (default value) \\ __(b) Undefined__ (character positions 18-19): Two blanks.
  - **Directory Map, Character Position 20-23** \\ __a) Length of "length of field"__ part of each directory entry. (character position 20): \\ One decimal digit (for the UNIMARC/Authorities format the value is 4). \\ __b) Length of "starting character position"__ part of each directory entry. (character position 21): \\ One decimal digit (for the UNIMARC/Authorities format the value is 5). \\ __c) Undefined__ (character positions 22-23): Two blanks.


==== Input Conventions ====
The record leader is generated automatically and cannot be edited.

==== Mapping ====
The information in the record leader is currently not mapped to RDF.

==== Internal Representation ====
<code javascript>
{"meta": {"status": "Record status (c/p 05)"}}
</code>