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BS EN 301549:2021

BS EN 301549:2021

$247.30

Accessibility requirements for ICT products and services

Published By Publication Date Number of Pages
BSI 2021 184
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The present document specifies the functional accessibility requirements applicable to ICT products and services, together with a description of the test procedures and evaluation methodology for each accessibility requirement in a form that is suitable for use in public procurement within Europe. The present document is intended to be used with Web based technologies, non-web technologies and hybrids that use both. It covers both software and hardware as well as services. It is intended for use by both providers and procurers, but it is expected that it will also be of use to many others as well. The relationship between the present document and the essential requirements of Directive 2016/2102 on the accessibility of the websites and mobile applications of public sector bodies is given in Annex A. The present document contains the necessary functional requirements and provides a reference document such that if procedures are followed by different actors, the results of testing are similar and the interpretation of those results is clear. The test descriptions and evaluation methodology included in the present document are elaborated to a level of detail compliant with ISO/IEC 17007:2009, so that conformance testing can give conclusive results.

PDF Catalog

PDF Pages PDF Title
2 undefined
5 Contents
10 Intellectual Property Rights
Foreword
11 Modal verbs terminology
Introduction
13 1 Scope
2 References
2.1 Normative references
14 2.2 Informative references
17 3 Definition of terms, symbols and abbreviations
3.1 Terms
21 3.2 Symbols
3.3 Abbreviations
22 4 Functional performance
4.2 Functional performance statements
4.2.1 Usage without vision
4.2.2 Usage with limited vision
4.2.3 Usage without perception of colour
23 4.2.4 Usage without hearing
4.2.5 Usage with limited hearing
4.2.6 Usage with no or limited vocal capability
4.2.7 Usage with limited manipulation or strength
4.2.8 Usage with limited reach
24 4.2.9 Minimize photosensitive seizure triggers
4.2.10 Usage with limited cognition, language or learning
4.2.11 Privacy
25 5 Generic requirements
5.1 Closed functionality
5.1.1 Introduction (informative)
5.1.2 General
5.1.2.1 Closed functionality
5.1.2.2 Assistive technology
5.1.3 Non-visual access
5.1.3.1 Audio output of visual information
5.1.3.2 Auditory output delivery including speech
26 5.1.3.3 Auditory output correlation
5.1.3.4 Speech output user control
5.1.3.5 Speech output automatic interruption
5.1.3.6 Speech output for non-text content
5.1.3.7 Speech output for video information
5.1.3.8 Masked entry
27 5.1.3.9 Private access to personal data
5.1.3.10 Non-interfering audio output
5.1.3.11 Private listening volume
5.1.3.12 Speaker volume
5.1.3.13 Volume reset
5.1.3.14 Spoken languages
28 5.1.3.15 Non-visual error identification
5.1.3.16 Receipts, tickets, and transactional outputs
5.1.4 Functionality closed to text enlargement
29 5.1.5 Visual output for auditory information
5.1.6 Operation without keyboard interface
5.1.6.1 Closed functionality
5.1.6.2 Input focus
5.1.7 Access without speech
5.2 Activation of accessibility features
30 5.3 Biometrics
5.4 Preservation of accessibility information during conversion
5.5 Operable parts
5.5.1 Means of operation
5.5.2 Operable parts discernibility
5.6 Locking or toggle controls
5.6.1 Tactile or auditory status
5.6.2 Visual status
31 5.7 Key repeat
5.8 Double-strike key acceptance
5.9 Simultaneous user actions
32 6 ICT with two-way voice communication
6.1 Audio bandwidth for speech
6.2 Real-Time Text (RTT) functionality
6.2.1 RTT provision
6.2.1.1 RTT communication
6.2.1.2 Concurrent voice and text
33 6.2.2 Display of RTT
6.2.2.1 Visually distinguishable display
6.2.2.2 Programmatically determinable send and receive direction
6.2.2.3 Speaker identification
6.2.2.4 Visual indicator of Audio with RTT
6.2.3 Interoperability
34 6.2.4 RTT responsiveness
6.3 Caller ID
6.4 Alternatives to voice-based services
35 6.5 Video communication
6.5.1 General (informative)
6.5.2 Resolution
6.5.3 Frame rate
6.5.4 Synchronization between audio and video
6.5.5 Visual indicator of audio with video
36 6.5.6 Speaker identification with video (sign language) communication
6.6 Alternatives to video-based services
37 7 ICT with video capabilities
7.1 Caption processing technology
7.1.1 Captioning playback
7.1.2 Captioning synchronization
7.1.3 Preservation of captioning
7.1.4 Captions characteristics
7.1.5 Spoken subtitles
38 7.2 Audio description technology
7.2.1 Audio description playback
7.2.2 Audio description synchronization
7.2.3 Preservation of audio description
7.3 User controls for captions and audio description
39 8 Hardware
8.1 General
8.1.1 Generic requirements
8.1.2 Standard connections
8.1.3 Colour
8.2 Hardware products with speech output
8.2.1 Speech volume gain
8.2.1.1 Speech volume range
8.2.1.2 Incremental volume control
8.2.2 Magnetic coupling
8.2.2.1 Fixed-line devices
40 8.2.2.2 Wireless communication devices
8.3 Stationary ICT
8.3.0 General
8.3.1 Forward or side reach
8.3.2 Forward reach
8.3.2.1 Unobstructed high forward reach
8.3.2.2 Unobstructed low forward reach
41 8.3.2.3 Obstructed forward reach
8.3.2.4 Knee and toe clearance width
8.3.2.5 Toe clearance
42 8.3.2.6 Knee clearance
8.3.3 Side reach
8.3.3.1 Unobstructed high side reach
43 8.3.3.2 Unobstructed low side reach
8.3.3.3 Obstructed side reach
8.3.4 Clear floor or ground space
8.3.4.1 Change in level
44 8.3.4.2 Clear floor or ground space
8.3.4.3 Approach
45 8.3.5 Visibility
8.3.6 Installation instructions
8.4 Mechanically operable parts
8.4.1 Numeric keys
46 8.4.2 Operation of mechanical parts
8.4.2.1 Means of operation of mechanical parts
8.4.2.2 Force of operation of mechanical parts
8.4.3 Keys, tickets and fare cards
8.5 Tactile indication of speech mode
47 9 Web
9.0 General (informative)
9.1 Perceivable
9.1.1 Text alternatives
9.1.1.1 Non-text content
9.1.2 Time-based media
9.1.2.1 Audio-only and video-only (pre-recorded)
48 9.1.2.2 Captions (pre-recorded)
9.1.2.3 Audio description or media alternative (pre-recorded)
9.1.2.4 Captions (live)
9.1.2.5 Audio description (pre-recorded)
9.1.3 Adaptable
9.1.3.1 Info and relationships
9.1.3.2 Meaningful sequence
9.1.3.3 Sensory characteristics
9.1.3.4 Orientation
9.1.3.5 Identify input purpose
9.1.4 Distinguishable
9.1.4.1 Use of colour
9.1.4.2 Audio control
9.1.4.3 Contrast (minimum)
9.1.4.4 Resize text
49 9.1.4.5 Images of text
9.1.4.6 Void
9.1.4.7 Void
9.1.4.8 Void
9.1.4.9 Void
9.1.4.10 Reflow
9.1.4.11 Non-text contrast
9.1.4.12 Text spacing
9.1.4.13 Content on hover or focus
9.2 Operable
9.2.1 Keyboard accessible
9.2.1.1 Keyboard
9.2.1.2 No keyboard trap
9.2.1.3 Void
9.2.1.4 Character key shortcuts
9.2.2 Enough time
9.2.2.1 Timing adjustable
50 9.2.2.2 Pause, stop, hide
9.2.3 Seizures and physical reactions
9.2.3.1 Three flashes or below threshold
9.2.4 Navigable
9.2.4.1 Bypass blocks
9.2.4.2 Page titled
9.2.4.3 Focus Order
9.2.4.4 Link purpose (in context)
9.2.4.5 Multiple ways
9.2.4.6 Headings and labels
9.2.4.7 Focus visible
9.2.5 Input modalities
9.2.5.1 Pointer gestures
9.2.5.2 Pointer cancellation
51 9.2.5.3 Label in name
9.2.5.4 Motion actuation
9.3 Understandable
9.3.1 Readable
9.3.1.1 Language of page
9.3.1.2 Language of parts
9.3.2 Predictable
9.3.2.1 On focus
9.3.2.2 On input
9.3.2.3 Consistent navigation
9.3.2.4 Consistent identification
9.3.3 Input assistance
9.3.3.1 Error identification
9.3.3.2 Labels or instructions
9.3.3.3 Error suggestion
52 9.3.3.4 Error prevention (legal, financial, data)
9.4 Robust
9.4.1 Compatible
9.4.1.1 Parsing
9.4.1.2 Name, role, value
9.4.1.3 Status messages
9.5 WCAG 2.1 AAA Success Criteria
53 9.6 WCAG conformance requirements
54 10 Non-web documents
10.0 General (informative)
10.1 Perceivable
10.1.1 Text alternatives
10.1.1.1 Non-text content
55 10.1.2 Time-based media
10.1.2.1 Audio-only and video-only (pre-recorded)
10.1.2.2 Captions (pre-recorded)
10.1.2.3 Audio description or media alternative (pre-recorded)
10.1.2.4 Captions (live)
10.1.2.5 Audio description (pre-recorded)
56 10.1.3 Adaptable
10.1.3.1 Info and relationships
10.1.3.2 Meaningful sequence
10.1.3.3 Sensory characteristics
10.1.3.4 Orientation
10.1.3.5 Identify input purpose
10.1.4 Distinguishable
10.1.4.1 Use of colour
10.1.4.2 Audio control
10.1.4.3 Contrast (minimum)
10.1.4.4 Resize text
57 10.1.4.5 Images of text
10.1.4.6 Void
10.1.4.7 Void
10.1.4.8 Void
10.1.4.9 Void
10.1.4.10 Reflow
10.1.4.11 Non-text contrast
58 10.1.4.12 Text spacing
10.1.4.13 Content on hover or focus
10.2 Operable
10.2.1 Keyboard accessible
10.2.1.1 Keyboard
10.2.1.2 No keyboard trap
59 10.2.1.3 Void
10.2.1.4 Character key shortcuts
10.2.2 Enough time
10.2.2.1 Timing adjustable
10.2.2.2 Pause, stop, hide
60 10.2.3 Seizures and physical reactions
10.2.3.1 Three flashes or below threshold
10.2.4 Navigable
10.2.4.1 Void
10.2.4.2 Document titled
10.2.4.3 Focus Order
10.2.4.4 Link purpose (in context)
10.2.4.5 Void
61 10.2.4.6 Headings and labels
10.2.4.7 Focus visible
10.2.5 Input modalities
10.2.5.1 Pointer gestures
10.2.5.2 Pointer cancellation
10.2.5.3 Label in name
10.2.5.4 Motion actuation
62 10.3 Understandable
10.3.1 Readable
10.3.1.1 Language of document
10.3.1.2 Language of parts
10.3.2 Predictable
10.3.2.1 On focus
10.3.2.2 On input
10.3.2.3 Void
10.3.2.4 Void
63 10.3.3 Input assistance
10.3.3.1 Error identification
10.3.3.2 Labels or instructions
10.3.3.3 Error suggestion
10.3.3.4 Error prevention (legal, financial, data)
10.4 Robust
10.4.1 Compatible
10.4.1.1 Parsing
64 10.4.1.2 Name, role, value
10.4.1.3 Status messages
10.5 Caption positioning
10.6 Audio description timing
65 11 Software
11.0 General (informative)
66 11.1 Perceivable
11.1.1 Text alternatives
11.1.1.1 Non-text content
11.1.2 Time-based media
11.1.2.1 Audio-only and video-only (pre-recorded)
11.1.2.2 Captions (pre-recorded)
67 11.1.2.3 Audio description or media alternative (pre-recorded)
11.1.2.4 Captions (live)
11.1.2.5 Audio description (pre-recorded)
11.1.3 Adaptable
11.1.3.1 Info and relationships
68 11.1.3.2 Meaningful sequence
11.1.3.3 Sensory characteristics
11.1.3.4 Orientation
11.1.3.5 Identify input purpose
69 11.1.4 Distinguishable
11.1.4.1 Use of colour
11.1.4.2 Audio control
11.1.4.3 Contrast (minimum)
11.1.4.4 Resize text
11.1.4.5 Images of text
70 11.1.4.6 Void
11.1.4.7 Void
11.1.4.8 Void
11.1.4.9 Void
11.1.4.10 Reflow
11.1.4.11 Non-text contrast
11.1.4.12 Text spacing
11.1.4.13 Content on hover or focus
11.2 Operable
11.2.1 Keyboard accessible
11.2.1.1 Keyboard
71 11.2.1.2 No keyboard trap
11.2.1.3 Void
11.2.1.4 Character key shortcuts
11.2.2 Enough time
11.2.2.1 Timing adjustable
72 11.2.2.2 Pause, stop, hide
11.2.3 Seizures and physical reactions
11.2.3.1 Three flashes or below threshold
73 11.2.4 Navigable
11.2.4.1 Void
11.2.4.2 Void
11.2.4.3 Focus order
11.2.4.4 Link purpose (in context)
11.2.4.5 Void
11.2.4.6 Headings and labels
74 11.2.4.7 Focus visible
11.2.5 Input modalities
11.2.5.1 Pointer gestures
11.2.5.2 Pointer cancellation
11.2.5.3 Label in name
11.2.5.4 Motion actuation
75 11.3 Understandable
11.3.1 Readable
11.3.1.1 Language of software
11.3.1.2 Void
11.3.2 Predictable
11.3.2.1 On focus
11.3.2.2 On input
11.3.2.3 Void
76 11.3.2.4 Void
11.3.3 Input assistance
11.3.3.1 Error identification
11.3.3.2 Labels or instructions
11.3.3.3 Error suggestion
11.3.3.4 Error prevention (legal, financial, data)
77 11.4 Robust
11.4.1 Compatible
11.4.1.1 Parsing
11.4.1.2 Name, role, value
78 11.4.1.3 Status messages
11.5 Interoperability with assistive technology
11.5.1 Closed functionality
11.5.2 Accessibility services
79 11.5.2.2 Platform accessibility service support for assistive technologies
11.5.2.3 Use of accessibility services
11.5.2.4 Assistive technology
80 11.5.2.5 Object information
11.5.2.6 Row, column, and headers
11.5.2.7 Values
11.5.2.8 Label relationships
11.5.2.9 Parent-child relationships
11.5.2.10 Text
11.5.2.11 List of available actions
11.5.2.12 Execution of available actions
81 11.5.2.13 Tracking of focus and selection attributes
11.5.2.14 Modification of focus and selection attributes
11.5.2.15 Change notification
11.5.2.16 Modifications of states and properties
11.5.2.17 Modifications of values and text
82 11.6 Documented accessibility usage
11.6.1 User control of accessibility features
11.6.2 No disruption of accessibility features
11.7 User preferences
11.8 Authoring tools
11.8.0 General (informative)
11.8.1 Content technology
11.8.2 Accessible content creation
11.8.3 Preservation of accessibility information in transformations
83 11.8.4 Repair assistance
11.8.5 Templates
84 12 Documentation and support services
12.1 Product documentation
12.1.1 Accessibility and compatibility features
12.1.2 Accessible documentation
12.2 Support services
12.2.1 General (informative)
12.2.2 Information on accessibility and compatibility features
12.2.3 Effective communication
85 12.2.4 Accessible documentation
86 13 ICT providing relay or emergency service access
13.1 Relay services requirements
13.1.1 General (informative)
13.1.2 Text relay services
13.1.3 Sign relay services
13.1.4 Lip-reading relay services
13.1.5 Captioned telephony services
13.1.6 Speech to speech relay services
13.2 Access to relay services
87 13.3 Access to emergency services
88 14 Conformance
89 Annex A (informative):Relationship between the present document and the essential requirements of Directive 2016/2102
105 Annex B (informative):Relationship between requirements and functional performance statements
B.1 Relationships between clauses 5 to 13 and the functional performance statements
113 B.2 Interpretation of Table B.2
B.2.0 General
B.2.1 Example
B.2.1.1 Step 1
B.2.1.2 Step 2
B.2.1.3 Step 3
114 B.2.1.4 Step 4
115 Annex C (normative):Determination of conformance
C.1 Introduction
C.2 Empty clause
C.3 Empty clause
C.4 Functional performance
C.5 Generic requirements
C.5.1 Closed functionality
C.5.1.1 Introduction
C.5.1.2 General
116 C.5.1.3 Non-visual access
119 C.5.1.4 Functionality closed to text enlargement
C.5.1.5 Visual output for auditory information
C.5.1.6 Operation without keyboard interface
120 C.5.1.7 Access without speech
C.5.2 Activation of accessibility features
C.5.3 Biometrics
C.5.4 Preservation of accessibility information during conversion
C.5.5 Operable parts
C.5.5.1 Means of operation
121 C.5.5.2 Operable part discernibility
C.5.6 Locking or toggle controls
C.5.6.1 Tactile or auditory status
C.5.6.2 Visual status
C.5.7 Key repeat
C.5.8 Double-strike key acceptance
122 C.5.9 Simultaneous user actions
C.6 ICT with two-way voice communication
C.6.1 Audio bandwidth for speech
C.6.2 Real-Time Text (RTT) functionality
C.6.2.1 RTT provision
123 C.6.2.2 Display of RTT
124 C.6.2.3.a Interoperability (a)
125 C.6.2.3.b Interoperability (b)
C.6.2.3.c Interoperability (c)
C.6.2.3.d Interoperability (d)
126 C.6.2.4 RTT responsiveness
C.6.3 Caller ID
C.6.4 Alternatives to voice-based services
C.6.5 Video communication
C.6.5.1 General
C.6.5.2 Resolution
127 C.6.5.3 Frame rate
C.6.5.4 Synchronization between audio and video
C.6.5.5 Visual indicator of audio with video
C.6.5.6 Speaker identification with video (sign language) communication
C.6.6 Alternatives to video-based services
128 C.7 ICT with video capabilities
C.7.1 Caption processing technology
C.7.1.1 Captioning playback
C.7.1.2 Captioning synchronization
C.7.1.3 Preservation of captioning
C.7.1.4 Captions characteristics
129 C.7.1.5 Spoken subtitles
C.7.2 Audio description technology
C.7.2.1 Audio description playback
C.7.2.2 Audio description synchronization
C.7.2.3 Preservation of audio description
C.7.3 User controls for captions and audio description
130 C.8 Hardware
C.8.1 General
C.8.1.1 Generic requirements
C.8.1.2 Standard connections
C.8.1.3 Colour
C.8.2 Hardware products with speech output
C.8.2.1 Speech volume gain
131 C.8.2.2 Magnetic coupling
C.8.3 Stationary ICT
C.8.3.0 General
C.8.3.1 Forward or side reach
C.8.3.2 Forward reach
134 C.8.3.3 Side reach
C.8.3.4 Clear floor or ground space
135 C.8.3.5 Visibility
136 C.8.3.6 Installation instructions
C.8.4 Mechanically operable parts
C.8.4.1 Numeric keys
C.8.4.2 Operation of mechanical parts
C.8.4.3 Keys, tickets and fare cards
137 C.8.5 Tactile indication of speech mode
C.9 Web
C.9.0 General (informative)
C.9.1 Perceivable
C.9.1.1 Text alternatives
C.9.1.2 Time-based media
138 C.9.1.3 Adaptable
139 C.9.1.4 Distinguishable
141 C.9.2 Operable
C.9.2.1 Keyboard accessible
C.9.2.2 Enough time
142 C.9.2.3 Seizures and physical reactions
C.9.2.4 Navigable
143 C.9.2.5 Input modalities
144 C.9.3 Understandable
C.9.3.1 Readable
C.9.3.2 Predictable
145 C.9.3.3 Input assistance
146 C.9.4 Robust
C.9.4.1 Compatible
C.9.5 WCAG 2.1 AAA Success Criteria (informative)
C.9.6 WCAG 2.1 conformance requirements
147 C.10 Non-web documents
C.10.0 General (informative)
C.10.1 Perceivable
C.10.1.1 Text alternatives
C.10.1.2 Time-based media
148 C.10.1.3 Adaptable
149 C.10.1.4 Distinguishable
151 C.10.2 Operable
C.10.2.1 Keyboard accessible
C.10.2.2 Enough time
152 C.10.2.3 Seizures and physical reactions
C.10.2.4 Navigable
153 C.10.2.5 Input modalities
154 C.10.3 Understandable
C.10.3.1 Readable
C.10.3.2 Predictable
155 C.10.3.3 Input assistance
C.10.4 Robust
C.10.4.1 Compatible
156 C.10.5 Caption positioning
C.10.6 Audio description timing
C.11 Software
C.11.0 General
C.11.1 Perceivable
C.11.1.1 Text alternatives
157 C.11.1.2 Time-based media
158 C.11.1.3 Adaptable
160 C.11.1.4 Distinguishable
162 C.11.2 Operable
C.11.2.1 Keyboard accessible
163 C.11.2.2 Enough time
164 C.11.2.3 Seizures and physical reactions
C.11.2.4 Navigable
165 C.11.2.5 Input modalities
166 C.11.3 Understandable
C.11.3.1 Readable
C.11.3.2 Predictable
167 C.11.3.3 Input assistance
168 C.11.4 Robust
C.11.4.1 Compatible
C.11.5 Interoperability with assistive technology
C.11.5.1 Closed functionality
169 C.11.5.2 Accessibility services
173 C.11.6 Documented accessibility usage
C.11.6.1 User control of accessibility features
C.11.6.2 No disruption of accessibility features
174 C.11.7 User preferences
C.11.8 Authoring tools
C.11.8.1 Content technology
C.11.8.2 Accessible content creation
C.11.8.3 Preservation of accessibility information in transformations
C.11.8.4 Repair assistance
175 C.11.8.5 Templates
C.12 Documentation and support services
C.12.1 Product documentation
C.12.1.1 Accessibility and compatibility features
C.12.1.2 Accessible documentation
C.12.2 Support services
C.12.2.1 General
C.12.2.2 Information on accessibility and compatibility features
176 C.12.2.3 Effective communication
C.12.2.4 Accessible documentation
C.13 ICT providing relay or emergency service access
C.13.1 Relay service requirements
C.13.1.1 General
C.13.1.2 Text relay services
C.13.1.3 Sign relay services
C.13.1.4 Lip-reading relay services
177 C.13.1.5 Captioned telephony services
C.13.1.6 Speech to speech relay services
C.13.2 Access to relay services
C.13.3 Access to emergency services
178 Annex D (informative):Further resources for cognitive accessibility
179 Annex E (informative):Guidance for users of the present document
E.1 Introduction
E.2 Overview
180 E.3 Clause 4
E.4 How to use the standard
E.4.1 Self scoping requirements
E.4.2 Connection between requirements and functional performance statements
181 E.5 The European Web Accessibility Directive [i.28]
E.6 Annex D: Further resources for cognitive accessibility
182 Annex F (informative):Change history
183 History

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BS EN 301549:2021
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