Dogs and cats not meeting requirements will be quarantined for up to 180 days. Dogs may only enter Japan at the following seaports: Tomakomai Seaport, Keihin Seaport (Tokyo, Yokohama*), Nagoya Seaport, Hanshin Seaport (Osaka*, Hyogo), Kanmon Seaport, Hakata Seaport, Kagoshima Seaport, Naha Seaport.