For the use in routine vaccination programmes:
(a) live attenuated Newcastle disease vaccines shall be prepared from a Newcastle disease virus strain for which the master seed has been tested and shown to have an intracerebral pathogenicity index (ICPI) of:
(i) less than 0,4 if not less than 107 EID50 are administrated to each bird in the ICPI test;
or
(ii) less than 0,5 if not less than 108 EID50 are administered to each bird, in the ICPI test;
(b) inactivated Newcastle disease vaccines shall be prepared from a Newcastle disease virus strain for which the Master Seed has been tested and shown to have an intracerebral pathogenicity index (ICPI) of less than 0,7 if not less than 108 EID50 are administered to each bird in the ICPI test.