Some experts are cautious about the legal restrictions because of potential conflict with the right to freedom of expression as stipulated in the Constitution.
At one traditional Japanese inn, the discounts have helped increase reservations after the establishment had to be temporarily closed at one point following the outbreak of the virus.
COVID-19 vaccine discounts for customers catch on at eateries, hotels japantoday.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from japantoday.com Daily Mail and Mail on Sunday newspapers.