BETA release

L_F02 List with incorrectly tagged labels

PDF-F32, FAIL

Use case(s): List

Last updated on November 20, 2025

Description

This example demonstrates a failure condition that occurs if list-item labels are not tagged with Lbl.

This failure condition occurs with both ordered and unordered lists.

If the list-item label is not tagged with Lbl, the label (e.g., a number) could be misunderstood as part of the item (e.g., "2 apple").

Download(s)

These minimal examples are designed to express a single Technique. Effective use requires software that supports Tagged PDF.

UA1_Tpdf-L_F02.pdf

Test(s)

Expected Results

Check #⁠1 is false.

Procedures

Check that the substructures of all L tags are semantically appropriate (LI, Lbl, LBody).

Application to WCAG 2.x

This Technique addresses the following WCAG 2.x Success Critieria:

1.3.1 Info and Relationships

Matterhorn Protocol

The Matterhorn Protocol 1.1 provides an algorithm for conformance with PDF/UA-1. Matterhorn checkpoint(s) (human or machine) relevant to this use-case:

01-006
09-003
09-005
16-001
16-002
16-003

Accessibility Technique Support Finder

Accessibility Technique Support Finders allows you to quickly locate software and services that claim to support a given Technique. Simply search the internet with a given technique’s finder together with the name of your product.

The technique finder for this Technique is: UA1_Tpdf-L_F02

NOTE: the “technique support finder” concept was introduced in January 2025; please allow time for adoption.