«bague fermée sans soudure», un anneau ou cercle continu, sans discontinuité ni raccord, qui n’a subi aucune manipulation frauduleuse, dont la taille ne permet pas qu’il soit enlevé de la patte de l’oiseau devenu adulte après avoir été fixé au cours des premiers jours de la vie de l’oiseau, et qui a été fabriqué commercialement à cette fin;
‘seamlessly closed leg-ring’ means a ring or band in a continuous circle, without any break or join, which has not been tampered with in any way, of a size which cannot be removed from the bird when its leg is fully grown after having been applied in the first days of the bird’s life and which has been commercially manufactured for that purpose;
