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PDF Association PDF/A Competence Center

The PDF Association started in 2006 as the “PDF/A Competence Center”. The mission was to identify – and thereby establish – a common interpretation of the PDF/A-1 specification. With that accomplished through meetings open to all members, the secondary …

PDF as a platform.

PDF files deliver a complete package of information that defines a document; everything that’s needed to represent the text, graphics and layout that the recipient receives. To most people, PDF is “electronic paper” – the digital expression of a cellul …

Margaret Hamilton

What is a “document”? A document is a record of some (typically written) content – a publication, a contract, a statement, a painting – at a moment in time. Until the advent of computers (and scanners), the media typically considered useable for such r …

Additional Accessibility Declarations (AADs)

Specification IRI
WCAG 2.0 Level A  https://www.pdfa.org/accessibility-declarations/20170224/wcag-a
 WCAG 2.0 Level AA  https://www.pdfa.org/accessibility-declarations/20170224/wcag-aa
 WCAG 2.0 Level AAA https://www.pdfa.org/accessibility-declarations/20170224/wcag-aaa
 Section 508 (2017) https://www.pdfa.org/accessibility-declarations/20170224/section508-2017-01
Section 508 (2001) https://www.pdfa.org/accessibility-declarations/20170224/section508-2001-07
AODA
Etc…