506 Restrictions on Access Note (R)

Record Type
BIB
Input Standards
Field (Full/Minimal)
Optional/Optional
1st Indicator Restriction
	No information provided
0	No restrictions
1	Restrictions apply
2nd Indicator Undefined
	Undefined
Subfields (R=Repeatable NR=Nonrepeatable)		Input Standards (Full/Minimal)
ǂa	Terms governing access (NR)	Required if applicable/Required if applicable
ǂb	Jurisdiction (R)	Required if applicable/Required if applicable
ǂc	Physical access provisions (R)	Required if applicable/Required if applicable
ǂd	Authorized users (R)	Required if applicable/Required if applicable
ǂe	Authorization (R)	Required if applicable/Required if applicable
ǂf	Standardized terminology for access restriction (R)	Optional/Optional
ǂg	Availability date (R)	Optional/Optional
ǂq	Supplying agency (NR)	Optional/Optional
ǂu	Uniform Resource Identifier (R)	Optional/Optional
ǂ2	Source of term (NR)	Required if applicable/Required if applicable
ǂ3	Materials specified (NR)	Optional/Optional
ǂ5	Institution to which field applies (NR)	Required if applicable/Optional
ǂ6	Linkage (NR)	System supplied/System supplied
ǂ8	Field link and sequence number (R)	Optional/Optional

Definition

A note about the restrictions imposed on access to the described materials. For published works, this field contains information on limited distribution.

Use field 521 if a note merely indicates the intended audience of a publication and does not imply restricted access. Use field 540 for terms governing the use of materials after access has been granted. Use field 590 if the note indicates local limited use (e.g., kept in a locked closet).

Note: For continuing resources, the restrictions must apply to all issues.

For information on punctuation, see the Punctuation section below.

1st Indicator

Restriction.

	No information provided. No information provided about whether the note states that materials are restricted or unrestricted.

0	No restrictions. No restrictions on materials (e.g. open access).

1	Restrictions apply. Restrictions apply to some or all of the material (e.g. restricted or closed access).

2nd Indicator

Undefined. The 2nd indicator position is undefined and contains a blank.

	Undefined

Subfields

ǂa Terms governing access

Legal, physical or procedural restrictions imposed on individuals wishing to see the described materials.

506	1		Available to subscribing member institutions only
[A note for an electronic journal that is restricted]

506

1

Classified

506

1

Confidential

506

1

Not available for commercial use, sale, or reproduction

506

1

Open to investigators with permission of the Clark family

506

1

Prior to 1981, distribution was limited to federal judicial personnel

506

1

Some of the personal correspondence is restricted until Oct. 1, 1983

ǂb Jurisdiction

The name of a person, an institution or a function or position within the institution by whom or which the terms governing access are imposed and/or enforced and to whom the restriction may be appealed.

506

1

Restricted access; ǂc Written permission required; ǂb Donor

506

1

ǂ3 Office files of Under Secretary ǂa No one may examine these records or obtain information from them or copies of them except by written permission; ǂb Secretary of the Treasury or his duly authorized representative; ǂc Kept in remote storage; access requires 24 hours advance notice

ǂc Physical access provisions

Any arrangements required for physical access that may change from time to time.

506

1

Restricted: Material extremely fragile; ǂc Access by appointment only

ǂd Authorized users

The class of users or specific individuals (by name or title) for whom the restrictions in subfield ǂa do not apply.

506

1

Closed for 30 years; ǂd Federal government employees with a need to know

ǂe Authorization

The source of the authority for the restriction.

506

1

Classified under national security provisions; ǂb Department of Defense; ǂe Title 50, chapter 401, U.S.C.

ǂf Standardized terminology for access restriction

Data taken from a standardized list indicating the level or type of restriction. You may use terms of your choice or those from the Standardized Terminology for Access Restriction from the DLF/OCLC Registry of Digital Masters Working Group.

506

1

Closed until January 1, 2068. ǂf No online access ǂ2 star

ǂg Availability date

Date when the resource changes its access status (e.g., when it becomes freely available). Preferred structure for the date is according to the format yyyymmdd in accordance with ISO 8601, Representation of Dates and Times. The mm and dd positions contain zeroes when the data is unknown.

506

0

Open access ǂg 20190207

ǂq Supplying agency

A MARC Organization Code, International Standard Identifier for Libraries and Related Organizations (ISIL), or textual name of the organization or project responsible for the data in the field. See MARC Code List for Organizations, which also includes links to Canadian, United Kingdom, and German MARC Organization Code lists, along with the International Standard Identifier for Libraries and Related Organizations (ISIL).

506

This collection is open for research ǂq InMuB

ǂu Uniform Resource Identifier

For information about subfield ǂu, see Control Subfields. Repeat subfield if digital object has multiple identifiers (URIs).

506

1

Some restrictions apply. Consult restricted access file for restriction details ǂu [URI]

ǂ2 Source of term

The MARC code identifying the source of the term used to record the restriction in subfield ǂf. Use a separate subfield for each source. See Access Restriction Term Source Codes. For more information about subfield ǂ2, see Control Subfields.

506

1

ǂ3 Use copy ǂa In copyright material. Searches will return text snippets only. ǂf Preview only ǂ2 star

ǂ3 Materials specified

For information about subfield ǂ3, see Control Subfields.

506

1

ǂ3 Office files of Under-Secretary: ǂa No one may examine these records or obtain information from them or copies of them except by written permission; ǂb Secretary of the Treasury or his duly authorized representative; ǂc Kept in remote storage; access requires 24 hours advance notice

ǂ5 Institution to which field applies

For information about subfield ǂ5, see Control Subfields.

ǂ6 Linkage

Data that link fields when non-Latin script is entered. This subfield is system supplied and does not appear in OCLC online displays. Do not manually add subfield ǂ6. For more information about subfield ǂ6, see Control Subfields.

ǂ8 Field link and sequence number

For information about subfield ǂ8, see Control Subfields.

Punctuation

For records containing punctuation, follow these instructions:

Optionally, follow an initial subfield ǂ3 by a colon-space or a space-colon-space if following an open date
Precede subfields ǂa, ǂb, ǂc, ǂd, and ǂe by a semicolon-space unless preceded by subfield ǂ3
Precede subfield ǂf by a period-space unless preceded by subfield ǂ3
Optionally, precede subfield ǂu by a colon-space
Include incidental punctuation needed within any subfields, e.g., commas, periods (following abbreviations or initials), etc.
Optionally, add a terminal period at the end of the field (preceding subfields ǂg, ǂq, ǂu, ǂ2, and ǂ5) unless the last subfield ends with an ellipsis or period (following an abbreviation or initial)

506

1

ǂ3 Office files of Under-Secretary: ǂa No one may examine these records or obtain information from them or copies of them except by written permission; ǂb Secretary of the Treasury or his duly authorized representative; ǂc Kept in remote storage; access requires 24 hours advance notice.

For records containing minimal or no punctuation, include incidental punctuation needed within any subfields. Otherwise, omit the punctuation outlined above.

506

1

ǂ3 Office files of Under-Secretary ǂa No one may examine these records or obtain information from them or copies of them except by written permission ǂb Secretary of the Treasury or his duly authorized representative ǂc Kept in remote storage; access requires 24 hours advance notice

For more information on punctuation, including OCLC policy, see section 2.8, Punctuation.

Indexing

For indexing and searching information, see Searching WorldCat Indexes, field 506.

MARC 21

For more information, including content designator history, see MARC 21 Format for Bibliographic Data, field 506.

This page last updated: 2024-03-25 · Report an error in WorldCat · Submit a suggestion for this page · Get help with general cataloging questions