As used in this chapter, and unless the context otherwise requires:
(1) “Home state” means: With respect to a state chartered bank, the state from which the bank received the charter under which it operates;
(2) With respect to a national bank, the state in which the main office of the national bank is located.
(3) “Host state” means, with respect to any bank, a state other than the home state of the bank in which the bank maintains, or seeks to establish and maintain a branch.