Nintendo has listed a page on their official Japanese website detailing unauthorized financial transactions that could lead to a suspension of their Nintendo Account.

These include the sale of download codes acquired through illegal means such as using credit card details acquired illegally, or transferring their Nintendo Account information to a third party for financial gain.

The full details can be found below.

■ Selling unusable download codes or download codes acquired through unauthorized and illegal means

※ These include using a third party’s credit card information, PayPal account information, or other unauthorized methods to purchase products.

■ Transferring Nintendo Account information to a third party as part of an unauthorized financial transaction
– The sale/purchase of a Nintendo Account that has purchased digital games
– The sale/purchase of products by using a third party’s Nintendo Account from time to time
– Sharing paid software with others through the use of the same Nintendo Account
– Transferring Nintendo Account information to a third party for the purpose of modifying save data, playing on one’s behalf, and other requests