2.
Codified version
The competent authorities may require that certain articles, to qualify for exemption on admission, be rendered permanently unusable by being torn, perforated, or clearly and indelibly marked, or by any other process, provided such operation does not destroy their character as samples.
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Source: EUR-Lex (Cellar) · retrieved 2026-10-12 · Text as adopted (Official Journal); later amendments are not incorporated in this text.