Annex II Security features of the certificate of professional competence
United Kingdom
The certificate must have at least two of the following security features:
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a hologram,
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special fibres in the paper which become visible under UV light,
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at least one microprint line (printing visible only with a magnifying glass and not reproduced by photocopying machines),
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tactile characters, symbols or patterns,
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double numbering: serial number and issue number,
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a security design background with fine guilloche patterns and rainbow printing.