EN 301 549 requirements by technology and accessibility type

The table below is an appendix to the EN 301 549 explainer that collates requirements from the EN 301 549 standard and the European Accessibility Act. The appendix in the explainer describes how to use this table.

WCAG Principle	Characteristic	Functional Requirements	Generic requirements	Closed functionality	Real-time text	2-way voice	2-way video	Audiovisual broadcast	Hardware	Physical environment	Web	Documents	Software	Documentation	Support services	ICT providing relay service access	ICT providing emergency service access
Perceivable	Visual characteristics	4.2.2 Usage with limited vision 4.2.3 Usage without perception of colour	5.6.2 Visual status	5.1.4 Functionality closed to text enlargement	6.2.2.1 Visually distinguishable display 6.2.2.4 Visual indicator of Audio with RTT		6.5.5 Visual indicator of audio with video 7.1.4 Captions characteristics		EAA I.I.2.c Flexible magnification, brightness and contrast		9.1.4.3 Contrast (minimum) 9.1.4.4 Resize text 9.1.4.10 Reflow 9.1.4.11 Non-text contrast 9.1.4.12 Text spacing 9.2.2.2 Pause, stop, hide 9.2.4.7 Focus visible	10.1.4.3 Contrast (minimum) 10.1.4.4 Resize text 10.1.4.10 Reflow 10.1.4.11 Non-text contrast 10.1.4.12 Text spacing 10.2.2.2 Pause, stop, hide 10.2.4.7 Focus visible 10.5 Caption positioning	11.1.4.3 Contrast (minimum) 11.1.4.4 Resize text 11.1.4.10 Reflow 11.1.4.11 Non-text contrast 11.1.4.12 Text spacing 11.2.2.2 Pause, stop, hide 11.2.4.7 Focus visible	EAA I.I.1.a.iv Font size, shape, spacing (included documentation) EAA I.I.1.b.iv Font size, shape, spacing (separate documentation) EAA I.II.b.iv Font size, shape, spacing (installation and maintenance instructions) EAA I.III.b.v Font size, shape, spacing (service instructions)
	Visual alternatives	4.2.1 Usage without vision	5.5.2 Operable parts discernibility	5.1.3.6 Speech output for non-text content 5.1.3.15 Non-visual error identification 5.1.3.16 Receipts, tickets, and transactional outputs 5.1.6.1 Closed functionality		6.6 Alternatives to video-based services EAA I.I.2.o.i.(3rd) Timed response multisensory (self-service terminals)	7.2.1 Audio description playback		8.1.3 Colour		9.1.1.1 Non-text content 9.1.2.1 Audio-only and video-only (pre-recorded) 9.1.2.3 Audio description or media alternative (pre-recorded) 9.1.2.5 Audio description (pre-recorded) 9.1.4.1 Use of colour	10.1.1.1 Non-text content 10.1.2.1 Audio-only and video-only (pre-recorded) 10.1.2.3 Audio description or media alternative (pre-recorded) 10.1.2.5 Audio description (pre-recorded) 10.1.4.1 Use of colour	11.1.1.1 Non-text content 11.1.2.1 Audio-only and video-only (pre-recorded) 11.1.2.3 Audio description or media alternative (pre-recorded) 11.1.2.5 Audio description (pre-recorded) 11.1.4.1 Use of colour
	Audio characteristics	4.2.5 Usage with limited hearing	5.6.1 Tactile or auditory status	5.1.3.1 Audio output of visual information 5.1.3.8 Masked entry 5.1.3.9 Private access to personal data 5.1.3.10 Non-interfering audio output 5.1.3.12 Speaker volume 5.1.3.13 Volume reset		6.6 Alternatives to video-based services	7.1.5 Spoken subtitles		8.2.1.1 Speech volume range 8.2.1.2 Incremental volume control EAA I.I.2.g Audio volume, speed, and enhancements			10.6 Audio description timing
	Audio alternatives	4.2.4 Usage without hearing		5.1.5 Visual output for auditory information		6.2.2.4 Visual indicator of Audio with RTT 6.4 Alternatives to voice-based services EAA I.I.2.o.i.(3rd) Timed response multisensory (self-service terminals)	6.5.5 Visual indicator of audio with video 7.1.1 Captioning playback		EAA I.I.2.e Alternative to audio signals		9.1.1.1 Non-text content 9.1.2.1 Audio-only and video-only (pre-recorded) 9.1.2.2 Captions (pre-recorded)	10.1.1.1 Non-text content 10.1.2.1 Audio-only and video-only (pre-recorded) 10.1.2.2 Captions (pre-recorded)	11.1.1.1 Non-text content 11.1.2.1 Audio-only and video-only (pre-recorded) 11.1.2.2 Captions (pre-recorded)			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
	Speech output characteristics			5.1.3.5 Speech output automatic interruption 5.1.3.14 Spoken languages 5.1.3.15 Non-visual error identification
	Tactile characteristics		5.5.2 Operable parts discernibility 5.6.1 Tactile or auditory status						8.4.1 Numeric keys 8.4.3 Keys, tickets and fare cards 8.5 Tactile indication of speech mode
	Tactile alternatives			5.1.3.6 Speech output for non-text content		EAA I.I.2.o.i.(3rd) Timed response multisensory (self-service terminals)			EAA I.I.2.a Alternatives to vision, auditory, speech and tactile elements
Operable	Mobility and reach characteristics	4.2.8 Usage with limited reach								8.3.2.1 Unobstructed high forward reach 8.3.2.2 Unobstructed low forward reach 8.3.2.3.1 Clear space 8.3.2.3.2 Obstructed (< 510 mm) forward reach 8.3.2.3.3 Obstructed (< 635 mm) forward reach 8.3.2.4 Knee and toe clearance width 8.3.2.5 Toe clearance 8.3.2.6 Knee clearance 8.3.3.1 Unobstructed high side reach 8.3.3.2 Unobstructed low side reach 8.3.3.3.1 Obstructed (≤ 255 mm) side reach 8.3.3.3.2 Obstructed (≤ 610 mm) side reach 8.3.4.1 Change in level 8.3.4.2 Clear floor or ground space 8.3.4.3.1 General 8.3.4.3.2 Forward approach 8.3.4.3.3 Parallel approach
	Strength and dexterity characteristics								8.4.2.2 Force of operation of mechanical parts
	Physical input characteristics	4.2.7 Usage with limited manipulation or strength	5.7 Key repeat 5.8 Double-strike key acceptance 5.9 Simultaneous user actions								9.2.5.1 Pointer gestures 9.2.5.2 Pointer cancellation	10.2.5.1 Pointer gestures 10.2.5.2 Pointer cancellation	11.2.5.1 Pointer gestures 11.2.5.2 Pointer cancellation
	Physical input alternatives	4.2.7 Usage with limited manipulation or strength	5.5.1 Means of operation						8.4.2.1 Means of operation of mechanical parts		9.2.5.4 Motion actuation	10.2.5.4 Motion actuation	11.2.5.4 Motion actuation
	Speech output alternatives					6.4 Alternatives to voice-based services										13.1.2 Text relay services 13.1.3 Sign relay services 13.1.4 Lip-reading relay services
	Voice input characteristics										9.2.1.4 Character key shortcuts	10.2.1.4 Character key shortcuts	11.2.1.4 Character key shortcuts
	Voice input alternatives	4.2.6 Usage with no or limited vocal capability		5.1.7 Access without speech		6.4 Alternatives to voice-based services 6.6 Alternatives to video-based services										13.1.6 Speech to speech relay services
	Biometrics		5.3 Biometrics
Understandable	Understandability	4.2.10 Usage with limited cognition, language or learning			6.2.2.3 Speaker identification		6.5.6 Speaker identification with video (sign language) communication				9.1.3.2 Meaningful sequence 9.1.3.3 Sensory characteristics 9.2.4.2 Page titled 9.2.4.3 Focus Order 9.2.4.4 Link purpose (in context) 9.2.4.6 Headings and labels 9.3.2.3 Consistent navigation 9.3.2.4 Consistent identification 9.3.3.1 Error identification 9.3.3.2 Labels or instructions 9.3.3.3 Error suggestion	10.1.3.2 Meaningful sequence 10.1.3.3 Sensory characteristics 10.2.4.2 Document titled 10.2.4.3 Focus Order 10.2.4.4 Link purpose (in context) 10.2.4.6 Headings and labels 10.3.2.4 Void 10.3.3.1 Error identification 10.3.3.2 Labels or instructions 10.3.3.3 Error suggestion	11.1.3.2 Meaningful sequence 11.1.3.3 Sensory characteristics 11.2.4.3 Focus order 11.2.4.4 Link purpose (in context) 11.2.4.6 Headings and labels 11.3.3.1 Error identification 11.3.3.2 Labels or instructions 11.3.3.3 Error suggestion	12.1.1 Accessibility and compatibility features 12.1.2 Accessible documentation	12.2.2 Information on accessibility and compatibility features 12.2.3 Effective communication 12.2.4 Accessible documentation
Understandable	Usable	4.2.10 Usage with limited cognition, language or learning			6.2.1.2 Concurrent voice and text 6.2.1.2 Concurrent voice and text	6.2.1.1 RTT communication 6.2.1.2 Concurrent voice and text		EAA I.IV.b.i Electronic programme guides	EAA I.I.2.m Consistent functionality		9.1.3.1 Info and relationships 9.2.2.2 Pause, stop, hide 9.2.4.1 Bypass blocks 9.2.4.5 Multiple ways 9.3.2.1 On focus 9.3.2.2 On input	10.1.3.1 Info and relationships 10.2.2.2 Pause, stop, hide 10.3.2.1 On focus 10.3.2.2 On input	11.1.3.1 Info and relationships 11.2.2.2 Pause, stop, hide 11.3.2.1 On focus 11.3.2.2 On input	EAA I.I.1.b.vii Description of user interface
Robust	User control		5.2 Activation of accessibility features	5.1.3.4 Speech output user control 5.1.3.11 Private listening volume 5.1.3.12 Speaker volume 5.1.3.13 Volume reset			7.1.1 Captioning playback 7.1.4 Captions characteristics 7.3 User controls for captions and audio description		8.2.1.1 Speech volume range 8.2.1.2 Incremental volume control EAA I.I.2.g Audio volume, speed, and enhancements		9.1.3.4 Orientation 9.1.4.2 Audio control 9.1.4.4 Resize text 9.1.4.13 Content on hover or focus 9.2.1.4 Character key shortcuts 9.2.2.1 Timing adjustable 9.2.2.2 Pause, stop, hide	10.1.3.4 Orientation 10.1.4.2 Audio control 10.1.4.4 Resize text 10.1.4.13 Content on hover or focus 10.2.1.4 Character key shortcuts 10.2.2.1 Timing adjustable 10.2.2.2 Pause, stop, hide	11.1.3.4 Orientation 11.1.4.2 Audio control 11.1.4.4 Resize text 11.1.4.13 Content on hover or focus 11.2.1.4 Character key shortcuts 11.2.2.1 Timing adjustable 11.2.2.2 Pause, stop, hide 11.6.1 User control of accessibility features 11.7 User preferences
	Safety	4.2.9 Minimize photosensitive seizure triggers									9.2.3.1 Three flashes or below threshold 9.3.3.4 Error prevention (legal, financial, data)	10.2.3.1 Three flashes or below threshold 10.3.3.4 Error prevention (legal, financial, data)	11.2.3.1 Three flashes or below threshold 11.3.3.4 Error prevention (legal, financial, data)
	Privacy	4.2.11 Privacy		5.1.3.8 Masked entry 5.1.3.9 Private access to personal data
	Fidelity and quality requirements		5.4 Preservation of accessibility information during conversion	5.1.3.2 Auditory output delivery including speech 5.1.3.3 Auditory output correlation 5.1.3.7 Speech output for video information 5.1.3.10 Non-interfering audio output 5.1.6.2 Input focus	6.2.2.3 Speaker identification 6.2.3 Interoperability 6.2.4 RTT responsiveness	6.1 Audio bandwidth for speech	6.5.2 Resolution 6.5.3 Frame rate 6.5.4 Synchronization between audio and video 7.1.2 Captioning synchronization 7.1.3 Preservation of captioning 7.2.2 Audio description synchronization 7.2.3 Preservation of audio description	EAA I.IV.b.ii Transmit accessibility components			9.2.1.2 No keyboard trap 9.2.5.3 Label in name	10.2.1.2 No keyboard trap 10.2.5.3 Label in name	11.2.1.2 No keyboard trap 11.2.5.3 Label in name 11.6.2 No disruption of accessibility features 11.7 User preferences 11.8.2 Accessible content creation 11.8.3 Preservation of accessibility information in transformations 11.8.4 Repair assistance 11.8.5 Templates			13.2 Access to relay services	13.3 Access to emergency services
	AT compatibility			5.1.2.2 Assistive technology 5.1.3.2 Auditory output delivery including speech	6.2.2.2 Programmatically determinable send and receive direction 6.3 Caller ID	6.3 Caller ID			8.1.2 Standard connections 8.2.2.1 Fixed-line devices 8.2.2.2 Wireless communication devices		9.1.3.1 Info and relationships 9.1.3.2 Meaningful sequence 9.1.3.5 Identify input purpose 9.1.4.5 Images of text 9.2.1.1 Keyboard 9.3.1.1 Language of page 9.3.1.2 Language of parts 9.4.1.1 Parsing 9.4.1.2 Name, role, value 9.4.1.3 Status messages	10.1.3.1 Info and relationships 10.1.3.2 Meaningful sequence 10.1.3.5 Identify input purpose 10.1.4.5 Images of text 10.2.1.1 Keyboard 10.3.1.1 Language of document 10.3.1.2 Language of parts 10.4.1.1 Parsing 10.4.1.2 Name, role, value 10.4.1.3 Status messages	11.1.3.1 Info and relationships 11.1.3.2 Meaningful sequence 11.1.3.5 Identify input purpose 11.1.4.5 Images of text 11.2.1.1 Keyboard 11.3.1.1 Language of software 11.3.1.2 Void 11.4.1.1 Parsing 11.4.1.2 Name, role, value 11.4.1.3 Status messages 11.5.2.1 Platform accessibility service support for software that provides a user 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 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 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	EAA I.I.1.b.v Text format (separate documentation) EAA I.II.b.v Text format (service instructions) EAA I.III.b.iv Text format (installation and maintenance instructions)