The is a

city ordinance A local ordinance is a law issued by a local government. such as a municipality, county, parish, prefecture, or the like. China In Hong Kong, all laws enacted by the territory's Legislative Council remain to be known as ''Ordinances'' () af ...

that requires businesses to prepare for a disaster in the

Tokyo metropolitan area The Greater Tokyo Area is the most populous metropolitan area in the world, consisting of the Kantō region of Japan (including Tokyo Metropolis and the prefectures of Chiba, Gunma, Ibaraki, Kanagawa, Saitama, and Tochigi) as well as the pre ...

by stockpiling various emergency supplies at their places of business. It requires them to keep three days' supplies on hand so that

commuters Commuting is periodically recurring travel between one's place of residence and place of work or study, where the traveler, referred to as a commuter, leaves the boundary of their home community. By extension, it can sometimes be any regul ...

, particularly those who live far away, will not be forced by circumstances to walk home long distances in the event that the transportation systems are disrupted. Drafted in the aftermath of the

2011 Tōhoku earthquake and tsunami The occurred at 14:46 JST (05:46 UTC) on 11 March. The magnitude 9.0–9.1 (M) undersea megathrust earthquake had an epicenter in the Pacific Ocean, east of the Oshika Peninsula of the Tōhoku region, and lasted approximately six minutes ...

, it was passed on March 30, 2012 and came into effect on April 1, 2013.Tokyo Metropolitan Government Disaster Prevention websit
企業の災害対策、帰宅困難者対策備蓄用品リスト
Retrieved October 8, 2014

References

Disaster preparedness {{statute-stub