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ISO/WD 26404

Cultural heritage conservation — Wall paintings — Alteration classification

General information

Current stage: 20.20 Effective date: Jul 21, 2026

Originator: ISO

Owner: ISO/TC 349

Type: International Standard

Scope

This document specifies terminology related to the alterations of wall paintings. It is applicable to the description and classification of alterations in wall paintings found in grottoes, tombs, buildings and museums.

Life cycle

NOW

IN_DEVELOPMENT
ISO/WD 26404
20.20 Working draft (WD) study initiated
Jul 21, 2026