Website is undergoing upgrades. Some features are unavailable, however event registration still works.

ISO December 2020 Meetings

In early December 2020, the ISO committees for PDF and related standards will gather virtually for several days of meetings.

ISO logo

NOTE: There is no WG 6 at this time.

Working Group 5

ISO 19005-1 (PDF/A-1)

Review Systematic Review results.

ISO 18565 (AFP/A)

Review Systematic Review results.

PDF/A-4e discussion group (long-term preservation for engineering documents)

Review report.

Working Group 7

ISO/PDTS 24064 (3D data streams conforming to STEP AP242)

Review ballot results, comments.

ISO/AWI 14739-1 (3D use of Product Representation Compact (PRC) format)

Review plans to restart.

ISO/PDTS 24654 (Non-Rectangular Links)

Review ballot results, comments.

Discussion group reports

  • 14739-1 editing
  • glTF into ISO 32000

Working Group 8

ISO/NP PDTS, Document management - Portable Document Format - Extensions to Encryption in ISO 32000-2 (PDF 2.0)

Review ballot results, comments.

ISO/NP PDTS, Document management - Portable Document Format - Extensions to digital signatures support in ISO 32000-2 (PDF 2.0)

Review ballot results, comments.

Working group reports

  • Technical Specification – Variable Width Stroke
  • Encryption and Digital Signature
  • Potential New 2D Image Formats for PDF
  • Initial Graphic State for Tiling Pattern

Working Group 9

ISO/NP CD 14289-2 (PDF/UA)

Review ballot results, comments.

Continued development of PDF/UA-2, including reports from the following discussion groups:

  • ARIA Roles for Standard Structure Types
  • Semantic Requirements for Rich Text
  • MathML
  • Integration of PDF 2.0's Annex L
  • Accessible Support for Navigation
  • Use of PDF 1.7 Namespaces in PDF/UA
  • ISO 14289-2 editing

Technical Specification – PDF 1.7 tags in a PDF 2.0 context

Initial review

Working Group 10

WI: Digital file format selection criteria

Working Group 11

ISO/NP PDTS 18759 (Trusted Storage)

Review ballot results, comments.

Working Group 12

ISO 16684 (XMP)

Review ISO/DIS 16684-3 ballot results (JSON-LD serialization of XMP)

Review ISO/NP CD 16684-4 ballot results (Use of XMP for Semantic Units)

Discussion group report

Review of 3D product metadata for PDF files

Attending the meetings

The meetings will be held virtually due to COVID-19. Attendance is available to members of the ISO WG or of the PDF Association at no charge, but registration is required. Teleconference access will also be provided to registered attendees.

PDF Association members who wish to attend should contact the PDF Association's Liaison Officer, Dietrich von Seggern, directly for accreditation via the PDF Association's liaison with ISO TC 171 SC 2. PDF Association members are entitled to review Committee documents prior to the meetings.

For those who participate via their respective country's TC 171 member body organization, you must be accredited and entered into ISO's Global Database prior to attending. Contact Betsy Fanning at the PDF Association, Inc. (secretariat for ISO TC 171 SC 2) for more information.


December 7, 2020 - December 15, 2020

All ISO TC171/SC 2 meetings will be virtual.

Attendees must be registered in the ISO database. Members of the PDF Association wishing to attend should contact ISO Liaison Officer Dietrich von Seggern at

ISO meeting