To obtain a court-ordered divorce in Japan, there must be statutorily recognized reason for granting the divorce. Adultery is one of those five recognized reasons. However, while adultery does provide a potential basis for divorce, divorce will not be automatically granted when one spouse has been unfaithful.
Spousal visas in Japan allow the holder to work freely in almost any profession. Therefore, upon marrying a Japanese national, many foreign nationals decide to switch their visa status to a spousal visa. The main requirement for a spousal visa is that the visa holder continue to engage in activity as a spouse.
The rule against subleasing extends to situations where friends or family move in with the renter. Having a temporary visitor at a rented apartment is normally not a cause for legal action on the part of the landlord, but a problem arises if the visitor begins living at the apartment. If someone other than the renter begins living at the apartment, the additional party needs to also be on the rental lease.
In order to attract foreign businesses to Japan, the Japanese government has enacted laws specifically designed to provide an incentive for parties who wish to expand their business into Japan. One such law is the Act for Promotion of Japan as an Asian Business Center, which was put into effect in November of 2012.