The driver ID card with a photo (the photo size is actually designated by the law) must be set up on the display part on the interior on the side by the actual vacant car indicator so passengers can see it.
顔写真（寸法も法令で規定がある）を貼り付けて実空車表示器の室内側表示部分に、客室に見えるように提示しなければならない。