1. If a Member State requires an advanced electronic signature to use an online service offered by, or on behalf of, a public sector body, that Member State shall recognise advanced electronic signatures, advanced electronic signatures based on a qualified certificate for electronic signatures, and qualified electronic signatures in at least the formats or using methods defined in the implementing acts referred to in paragraph 5.
2. If a Member State requires an advanced electronic signature based on a qualified certificate to use an online service offered by, or on behalf of, a public sector body, that Member State shall recognise advanced electronic signatures based on a qualified certificate and qualified electronic signatures in at least the formats or using methods defined in the implementing acts referred to in paragraph 5.
3. Member States shall not request for cross-border use in an online service offered by a public sector body an electronic signature at a higher security leve
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