Busan is a font developed by Busan Metropolitan City and is protected by exclusive intellectual property rights. It is free for anyone to download and use freely, and it can be used in a variety of media, including video, print, web, and mobile. There are no special permission procedures required to use Busan.
Furthermore, commercial activities such as the sale or transfer of Busan for a fee are prohibited due to Busan Metropolitan City's exclusive intellectual property rights.