The opening and use of direct investment capital accounts apply to foreign-invested enterprises and foreign investors participating in cooperation arrangements or projects that do not establish a project enterprise. A foreign-invested enterprise is understood as an entity with foreign investor ownership or where foreign ownership arises at the level prescribed by law. When falling under the mandatory cases, the enterprise must open a direct investment capital account at an authorized bank. This account must be opened in the currency used for capital contribution, and only one account may be opened for each currency at one authorized bank. If the investor uses Vietnamese dong, the enterprise must open an additional corresponding account at the same bank. Foreign investors participating in multiple contracts or projects must open separate accounts for each activity. If changing the authorized bank, the enterprise must open a new account, transfer the entire balance, and close the old account before using the new one. The opening, use, and closure of such accounts must comply with the general regulations of the State Bank of Vietnam.