In 1882, with an increase in pufferfish poisoning, the government released Ikeizai sokketsurei (the law concerning offence against police regulations) including a clause which stated that 'anyone who eats pufferfish will be sentenced to a prison term or a fine.'
1882年（明治15年）には、政府もふぐ中毒の増加を受けて、「河豚食う者は拘置科料に処する」とした項目を含む違警罪即決令を発布。