Trustee Savings Bank clear ground rules on ownership and accountability, neither of which was clear under former legislation. Airdrie Savings Bank refused to join the single entity, and remained the only independent such bank in the UK until it announced its closure in 2017. In 1984, TSB adopted an advertising slogan by which it is still generally remembered today: "The Bank That Likes To Say Yes". In 1986, the Central Trustee Savings Bank Limited was renamed TSB England and Wales plc and Trustee Savings Bank plc was renamed TSB Scotland plc. In 1986, the shares of TSB Group plc were floated on the
Bank of the West which had 155 offices in 12 states: Arizona, California, Colorado, Iowa, Minnesota, Nebraska, New Mexico, North Dakota, South Dakota, Utah, Wisconsin, and Wyoming. Soon after, Bank of the West agreed to buy USDB Bancorp, the parent of Union Safe Deposit Bank. In December 2005, Bank of the West bought Commercial Federal Corporation of Omaha, Nebraska. This merger added offices in Arizona, Colorado, Iowa, Kansas, Missouri, Nebraska, and Oklahoma to Bank of the West. In January 2006, Bank of the West opened a representative office in Tokyo, Japan, and in September 2007, it opened a representative office in Taipei, Taiwan. Bank