Article 6
1. Member States shall, without further technical requirements or evaluation, recognize products designed, manufactured, operated and maintained in compliance with the common technical requirements and administrative procedures where such products have been certificated by another Member State. When the original recognition is for a particular purpose, or purposes, any subsequent recognition shall cover the same purpose(s). 2. Existing products and their derivatives which are not certificated in accordance with the common technical requirements and administrative procedure may be accepted by a Member State under their current national regulations pending the adoption of the common technical requirements and administrative procedures applicable to these products pursuant to this Regulation.