The Japanese government recently said it would revise food labeling guidelines after consumers suspected that many of the clams (asari clam) printed in the southwestern region of Kumamoto were actually produced overseas.

Japan's Consumer Affairs Agency and the Ministry of Fisheries said the revised guidelines would require importers and domestic producers to present certificates of origin for clams (asari clam) and keep documents indicating the origin. Failure to present documents of origin could lead to suspicion of mislabelling.

According to the latest regulations in labelling laws, the origin of clams (asari clam) will be determined based on where they have been raised the longest if they are farmed in two or more places, for example, the clams (asari clam) The origin of the import is in principle the name of the exporting country, but if the imported clams have been grown in Japan for more than 18 months, they will be marked as "Made in Japan".