where applicable, reference is made to any breeding book in which those purebred breeding animals or ascendants have been entered together with the original registration number in that breeding book;
i gcás inarb infheidhme, go dtagraítear d'aon phórleabhar inar iontráladh na hainmhithe pórúcháin folaíochta nó a sinsear den chéad uair, in éineacht le huimhir chlárúcháin bhunaidh an phórleabhair sin;