Textual Amendments
they must be read-only passive transponders applying HDX or FDX-B technology, complying with ISO standards 11784 and 11785;
they must be readable by reading devices, complying with ISO standard 11785, capable of reading HDX and FDX-B transponders;
the reading distance must be:
a minimum of 12 cm for eartags and marks on the pastern when read with a portable readers;
a minimum of 20 cm for ruminal boluses and injectable transponders when read with a portable reader;
a minimum of 50 cm for all types of identifiers when read with a stationary reader.]