A hidden form field that does not have a TU key must have an alternative description in the enclosing structure element
Rule ID:
alt-hidden-formfield
Ruleset:
axe-pdf 2.0
User Impact:
Critical
Guidelines:
WCAG 2.1 (A), WCAG 2.0 (A), PDF/UA
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Compliance Data & Impact
Disabilities Affected
- Blind
- Deafblind
- Mobility
Standard(s)
- WCAG 2.1 (A)
- WCAG 2.0 (A)
- PDF/UA
WCAG Success Criteria [WCAG 2.1 (A)]
- 1.3.1: MUST: Info and Relationships
WCAG Success Criteria [WCAG 2.0 (A)]
- 1.3.1: MUST: Info and Relationships
How to Fix the Problem
In Adobe Acrobat Pro:
- Open the Form Editor by clicking Tools > Prepare Form.
- Right click the form and choose Properties.
- Add the appropriate form description within the Tooltip field.
Why it Matters
Assistive technology users must be able to recognize and understand the form fields, make selections, and provide input to complete the forms, and submit the form, just as sighted users can. Understandable labels that convey the purpose of each form control are essential to form accessibility. (Source: Technique PDF10)
Rule Description
Ensures that a hidden form field contains an alternate description
The Algorithm (in simple terms)
Add a descriptive tooltip to each form field in the PDF.
Resources
Deque University Course Pages (subscription required)
No related course information available.
Refer to the complete list of axe 2.0 rules.
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