(S (S (PP (IN Under) (BASENP (JJ previous) (NN legislation))) (COMMA ,) (S (BASENP (DT all) (ADJP (RB newly) (VBN registered)) (NNS dogs)) (VP (VBD were) (S (VP (TO to) (VP (VB have) (S (BASENP (NN identification) (NNS microchips)) (VP (VBN embedded) (PP (IN by) (BASENP (NNP July) (NN 1))))))))))) (PERIOD .))