| First Indicator | Second Indicator |
|---|---|
| Application # - No information provided 0 - Accessibility information related to primary content 1 - Accessibility information related to secondary content |
Presence of accessibility features/hazards # - No information provided 1 - Accessibility features present 2 - No accessibility features present 3 - Sensory hazards present |
| Subfield Codes | |
|---|---|
|
|
Information about the accessibility of the content of a resource, including modes of access to the content of the resource as well as accessibility features providing alternative modes of access, and warnings about sensory hazards.
First Indicator - Application
Accessibility information related to the primary content of a resource.
Accessibility information related to secondary content of a resource.
Second Indicator - Presence of accessibility features/hazards
No information is provided as to the presence or absence of accessibility features or hazards.
The resource contains accessibility features recorded in subfields $b-$e for the access mode identified in subfield $a.
| 341 | 01$avisual$daudioDescription$2sapdv | ||||||||
The resource does not contain any accessibility features for the access mode identified in subfield $a.
| 341 | 02$avisual$2sapdv | ||||||||
The resource is known to contain sensory hazards (flashing, motion, sound) that may affect some individuals.
| 341 | 03$hflashing$2sapdv | ||||||||
$a - Content access mode
Mode required to access the content of the resource without using assistive features (for example, textual, visual, auditory, tactile, mathOnVisual).
| 341 | 0#$aauditory | ||||||||
| 341 | 0#$amathOnVisual$bdescribedMath$2sapdv | ||||||||
| 341 | 0#$avisuel$dvidéodescription | ||||||||
$b - Textual assistive features
Textual assistive features and adaptations to access the content of the resource.
| 341 | 0#$aauditory$bclosedCaptions$2sapdv | ||||||||
| 341 | 0#$atextual$bprintPageNumbers$bstructuralNavigation$btableOfContents$2sapdv | ||||||||
$c - Visual assistive features
Visual assistive features and adaptations to access the content of the resource.
| 341 | 0#$aauditory$csignLanguage$2sapdv | ||||||||
$d - Auditory assistive features
Auditory assistive features and adaptations to access the content of the resource.
| 341 | 0#$avisual$daudioDescription$2sapdv | ||||||||
$e - Tactile assistive features
Tactile assistive features and adaptations to access the content of the resource.
| 341 | 1#$3Container labels$atextual$ebraille$2sapdv | ||||||||
$h - Sensory hazards
A known sensory aspect of a resource, such as visual flashing or motion simulation that may induce a negative physiological reaction.
$0 - Authority record control number or standard number
See description of this subfield in Appendix A: Control Subfields.
$1 - Real World Object URI
See description of this subfield in Appendix A: Control Subfields.
$2 - Source
Identification of the source of terms when they are from a controlled list.
Code from: Accessibility Content Source Codes.
$3 - Materials specified
Part of the described materials to which the field applies.
| 341 | 1#$3Accompanying audio CD$aauditory$btranscript$2sapdv | ||||||||
$6 - Linkage
See description of this subfield in Appendix A: Control Subfields.
$7 - Data provenance
See description of this subfield in Appendix J: Data Provenance Subfields.
$8 - Field link and sequence number
See description of this subfield in Appendix A: Control Subfields.
Values 0 and 1 were redescribed to indicate that the data recorded is not restricted to adaptive features but can include other types of accessibility information.
Prior to 2026, Indicator 2 was undefined.