A competent authority shall register:
aquaculture establishments in the register of aquaculture establishments provided for in Article 185(1), where the operator concerned has provided the information required in accordance with Article 172(1);
groups of aquaculture establishment in that register, provided that the criteria laid down in Article 172(4) are complied with.
The competent authority shall assign each establishment or group of establishments as referred to in this Article with a unique registration number.