864 Enumeration and Chronology-Supplementary Material (R)

First Indicator - Field encoding level

The first indicator position contains a value that indicates the level of specificity of the enumeration and chronology in the field. Values 3 and 4 reflect requirements of Levels 3 and 4 of Serial Holdings Statements (ANSI Z39.44) and Holdings Statements for Bibliographic Items (ANSI/NISO Z39.71). Values 3, 4, and 5 correspond to the level of specificity defined for the enumeration and chronology data at the record level by codes 3, 4, and 5 in Leader/17 (Encoding level).

 - No information provided

Value  indicates that level information is not provided.

3 - Holdings level 3

Value 3 indicates that the field contains summary enumeration and chronology information (that is, only at the first level of enumeration and chronology) for supplementary material (field 864).

4 - Holdings level 4

Value 4 indicates that the field contains detailed enumeration and chronology information (that is, the first and all subsequent levels of enumeration and chronology).

5 - Holdings level 4 with piece designation

Value 5 indicates that the field contains detailed enumeration and chronology information and an identifying number for the physical piece in subfield ‡p (Piece designation).

Second Indicator - Form of holdings

The second indicator position contains a value that indicates whether the enumeration and chronology in the field is expressed in a compressed or uncompressed (itemized) form and whether the 864 field or an 867 Textual Holdings field should be used for display purposes. Compressed means that the stated field is expressed in a summarized form containing the enumeration and chronology of more than one part expressed as a range of holdings and comprising multiple holdings items. Uncompressed means that each holdings item is itemized, and thus recorded separately.

The value in the second indicator position does not indicate whether an 864 field contains the information required to allow the data to be compressed from an itemized report or expanded to an itemized report by computer algorithm. That information is indicated by the value in the first indicator position (Compressibility and Expandability) of the related 854 Captions and Pattern field to which an 864 field is linked by the linking number in subfield ‡8 (Field link and sequence number).

 - No information provided

Value  indicates that the form of the enumeration and chronology in the field is not specified.

0 - Compressed

Value 0 indicates that the enumeration and chronology in a supplementary material (field 864) is expressed in a compressed form and that a display of the data may be generated from the field.

1 - Uncompressed

Value 1 indicates that the enumeration and chronology in the field is expressed in an itemized form and that a display of the data may be generated from the field.

2 - Compressed, use textual display

Value 2 indicates that the enumeration and chronology in a supplementary material field (field 864) is expressed in a compressed form but that a display of the data may not be generated from the field. Instead, the 867 Textual Holdings field is used to generate a display.

3 - Uncompressed, use textual display

Value 3 indicates that the enumeration and chronology in the field is expressed in an itemized form but that a display of the data may not be generated from the field. Instead, the 867 Textual Holdings field is used to generate a display.

4 - Item(s) not published

Value 4 indicates that the enumeration and chronology in a supplementary material field (field 864) represents nonpublished parts of the bibliographic item.

Unpublished parts may also be indicated by code n (Nongap break) in subfield ‡w (Gap or nongap break indicator). The use of both value 4 and subfield ‡w in the same Enumeration and Chronology field is restricted to instances of consecutive unpublished parts and parts not in the holdings of the reporting organization.

‡a-‡h - Enumeration

Subfields ‡a-‡h contain the levels of enumeration that either appear on an item or that are used by the reporting organization to record the receipt of an item. These enumeration subfields are correlated with the enumeration caption subfields ‡a-‡h in the 854 Captions and Pattern field linked to the 864 field, although the same subfields need not always be present. Full correlation of the enumeration level and the caption subfields ‡a-‡h in linked 854/864 fields is recommended in OCLC local holdings records. If there is no enumeration on the item for some level, enumeration may be invented and enclosed in brackets ([ ]).

When alternative numbering schemes are applicable to an item, subfields ‡g and ‡h contain the alternative enumeration. If more than two levels of alternative enumeration are required, an 867 Textual Holdings field is used.

When only chronology is used on an item (that is, the item carries no enumeration), the chronology may be contained in either the relevant enumeration subfields ($a-$h) or chronology subfields ($i-$m), with the chronology subfields ($i-$m) preferred whenever possible.

‡a - Primer nivel de enumeración

Subfield ‡a contains the highest level of enumeration. The designation for an unnumbered (for example, new ser.) or a numbered (for example, ser. 5) series is considered caption data and is contained in subfield ‡a (First level of enumeration) of the related 854 Captions and Pattern field.

When the enumeration consists of the number of units held followed by a term describing the units, the whole phrase is contained in the related 864 subfield.

‡b - Second level of enumeration

Subfield ‡b contains the second level of enumeration.

‡c - Third level of enumeration

Subfield ‡c contains the third level of enumeration.

‡d - Fourth level of enumeration

Subfield ‡d contains the fourth level of enumeration.

‡e - Fifth level of enumeration

Subfield ‡e is unlikely to be used.

‡f - Sixth level of enumeration.

Subfield ‡f is unlikely to be used.

‡g - Alternative numbering scheme, first level of enumeration

Subfield ‡g contains the highest level of an alternative numbering scheme.

‡h - Alternative numbering scheme, second level of enumeration

Subfield ‡h contains the second level of an alternative numbering scheme.

‡i-‡m - Chronology

Subfields ‡i-‡m contain the hierarchical levels of chronology that either appear on an item or that are used by the reporting organization to record the receipt of an item. These chronology subfields are correlated with subfields ‡i-‡m in the 854 Captions and Pattern field linked to the 864. Full correlation of the chronology level and the caption subfields ‡i-‡m in linked 854/864 fields is recommended in OCLC local holdings records. If an applicable chronology level is lacking on the item, chronology may be invented and enclosed in brackets ([ ]).

Months and seasons may be expressed either in natural language or by the following codes:

A month code of less than two digits is right justified and the unused position contains a zero.

Days of the month are recorded as two digits in the format 01-31.

When an alternative chronology scheme is applicable to an item, subfield ‡m contains the alternative chronology. If more than one level of alternative chronology is required, an 867 Textual Holdings field is used.

When only chronology is used on an item (that is, the item carries no enumeration), the chronology may be contained in either the relevant enumeration subfields ($a-$h) or chronology subfields ($i-$m), with the chronology subfields ($i-$m) preferred whenever possible.

853    03$81$i(year)
863    30$81.1$i1964-1981
          [An annual publication identified only by year.]

‡i - First level of chronology

Subfield ‡i contains the highest level of chronology.

‡j - Second level of chronology

Subfield ‡j contains the second level of chronology.

‡k - Third level of chronology

Subfield ‡k contains the third level of chronology.

‡l - Fourth level of chronology

Subfield ‡l contains the fourth level of chronology.

‡m - Alternative numbering scheme, chronology

Subfield ‡m contains the alternative chronology scheme.

‡n - Converted Gregorian year

Subfield ‡n contains the Gregorian-calendar conversion of a year that is recorded in a non-Gregorian scheme in a chronology-level subfield (‡i-‡m).

‡o - Title of unit

Subfield ‡o contains the title of the unit (for example, Annual buyer's guide) in the enumeration hierarchy when it has no associated sequencing number. When used, subfield ‡o immediately follows the enumeration subfield to which it applies. If the title of the unit When the title of unit applies to the bibliographic entity as a whole, rather than to a portion of its enumeration, field 844 (Name of unit) is used.

‡p - Piece designation

Subfield ‡p contains an identification of a piece. The designation may be an identification number such as a bar code number or an accession number.

The piece designation may be preceded by an uppercase B or U to specify whether the piece is bound or unbound. When no piece designation exists, a double slash (//) may be recorded in subfield ‡p to signify that the holdings relate to a piece.

When the piece designation applies to the entire holdings record, it is recorded in subfield ‡p (Piece designation) of field 852 (Location). When the piece designation applies to the enumeration and chronology recorded in field 864 it is recorded there. When the piece designation applies only at the item level, it is recorded in subfield ‡p of the item information field 876-878.

‡q - Piece physical condition

Subfield ‡q contains a description of an unusual characteristic of the physical condition of the piece, for example, water spots, ink bleeding.

When the piece physical condition applies to the entire holdings record, it is recorded in subfield ‡q (Piece physical condition) of field 852 (Location). Physical condition information for making preservation decisions is contained in field 583 (Action Note).

‡s - Copyright article-fee code

Subfield ‡s contains a copyright article-fee code. A description of the copyright article-fee code is given in field 018 (Copyright Article-Fee Code) of OCLC Bibliographic Formats and Standards.

‡t - Copy number

Subfield ‡t contains a single copy number or a range of numbers for copies that have the same location and call number.

Caption for the copy number is contained in subfield $t (Copy) of the 853-855 Captions and Pattern field that is linked to the 863-865 field.

853    20$81$v.$bno.$u26$vr$i(year)$j(month)$k(day)$ww$x01,07$tc.
863    40$81.1$a113$b1-23$i1989$j01-05$t2$wn
863    40$81.2$a113$b24$i1989$j06$k12$t2
          [Holdings consist of v.113, no.1-24, Jan. 2,1989-Jun. 12,1989, which comprises copy 2 of the bibliographic                  item.]

When the copy number applies to the entire holdings statement, it is recorded in subfield $t (Copy number) of field 852 (Location).

‡v - Issuing date

Subfield ‡v contains the date of issuance of an index.

855    ##$av.$i(year)$j(month)
865    ##$a40$i1989$j01-12$vJune 1990

‡w - Break indicator

Subfield ‡w contains a one-character code that indicates whether a break in the enumeration and chronology contained in multiple 864 fields is due either to published issue(s) lacking in the collection or to unpublished parts or a lack of continuity in the enumeration and chronology of the parts. Subfield ‡w is contained in the Enumeration and Chronology field that represents the holdings that immediately precedes the break. The use of subfield ‡w requires a new field 864 in which the enumeration and chronology following the break is recorded.

g - Gap break

Code g indicates that part(s) are lacking in the holdings of the reporting organization. Code g is also used when there is doubt as to the cause of the break or when the cause is not known.

n - Nongap break

Code n indicates that the break is due to unpublished part(s) or a lack of continuity in the enumeration and chronology of the parts.

‡x - Nonpublic note

Subfield ‡x contains a note relating to all or part of the field. The note is not written in a form that is adequate for public display. A note for public display is contained in subfield ‡z (Public note).

‡z - Public note

Subfield ‡z contains a note relating to all or part of the field. The note is written in a form that is adequate for public display. It contains information that cannot be contained in other subfields. For example, it may be used to specifically record missing issues or numbering irregularities.

A note not for public display is contained in subfield ‡x (Nonpublic note).

‡6 - Linkage

See Control Subfields for a description of subfield ‡6.

‡8 - Field link and sequence number

Subfield ‡8 contains data that identifies linked holdings data fields and may also propose a sequence for the linked fields. Subfield ‡8 is required in 864 fields in OCLC local holdings records.

The structure and syntax for subfield ‡8 in the 864 field is: ‡8<linking number>.<sequence number>

The linking number is the first data element used in subfield ‡8 in the 864 field. It is a variable-length whole number that occurs in subfield ‡8 in all 864 fields that are to be linked to an 854 field. Fields with the same linking number are considered linked. A linking number of "0" (zero) is not used in this field.

The sequence number is separated from the linking number by a period "." and is required in 864 fields in OCLC local holdings records. It is a variable-length whole number that may be used to indicate the relative order for display of the linked fields (lower sequence numbers displaying before higher ones).

Subfield ‡8 is always the first subfield in the 864 field.