If Japan enters the Trans-Pacific Partnership, will domestic labeling of genetically modified products disappear? It is indeed possible.

Japan can prevent this, but if labeling does disappear, what will happen? [...] In a recent meeting of the House of Representative Budget Committee, Japanese Communist Party member Akira Kasai suggested that Japan could come under pressure to remove labeling of genetically modified foods if it entered the free trade accord. Foreign Minister Koichiro Genba responded, “It’s possible, but we will not accept that.”