Complex sentence: Europe answers that the labeling and traceability requirements are not only limited to GM food, but will apply to all agricultural goods as has been mandatory for many years in Australia where the U.S. is also arguing against identification of GM products.
Split into simpler sentences: Europe answers that the labeling and traceability requirements are not only limited to GM food, but will apply to all agricultural goods. Such labelling has been mandatory for many years in Australia where the U.S. is also arguing against identification of GM products.