There are several official and unofficial mailing lists related to UBL.

OASIS UBL Technical Committee list

Members of the OASIS UBL Technical Committee conduct their work using ubl@lists.oasis-open.org. Subscription to this list is open to Committee members only, but all are welcome to join. List archives are viewable by the general public.

UBL Developers list

OASIS hosts ubl-dev@lists.oasis-open.org, an unmoderated mailing list that provides an open forum for developers to exchange ideas and information on implementing the UBL OASIS Standard. Subscribe (to minimize spam, you must subscribe before posting) or view archives. Review OASIS mail list guidelines before posting.

OASIS comment list for UBL specifications

OASIS hosts ubl-comment@lists.oasis-open.org, a public mail list for providing input to the OASIS Security Services Technical Committee members. The public is invited to send comments or view list archives. Review OASIS mail list guidelines before posting.

OASIS UBL Subcommittee lists

The OASIS UBL Technical Committee oversees several subcommittees, which carry out specific work assignments. Subscription to subcommittee lists is open to members only, but all are welcome to join. List archives are publicly viewable.

Localization Subcommittees:

• OASIS UBL Chinese Localization SC
  • SC list: ubl-cnlsc
• OASIS UBL Danish Localization SC
  • SC list: ubl-dklsc
    
• OASIS UBL Italian Localization Subcommittee
  • SC list: ubl-itlsc
• OASIS UBL Japanese Localization SC
  • SC list: ubl-jplsc
• OASIS UBL Korean Localization SC
  • SC list: ubl-krlsc
• OASIS UBL Spanish Localization SC
  • SC list: ubl-eslsc

• OASIS UBL Human Interface SC
  • SC list: ubl-hisc
• OASIS UBL Procurement SC
  • SC list: ubl-psc
• OASIS UBL Small Business Subcommittee
  • SC list: ubl-sbsc
• OASIS UBL Transportation SC
  • SC list: ubl-tsc

Retired OASIS UBL lists

A number of OASIS UBL Subcommittees that were active in the creation of UBL 1.0 have now been retired as separate entities. The work of these subcommittees continues in the UBL Technical Committee itself, and their documents and archives remain available online for future reference.