In 2010 Congress enacted the Foreign Account Tax Compliance Act, requiring foreign financial institutions to identify American account-holders and disclose their balances and withdrawals, or face a 30% withholding tax on income from any financial assets they hold in America.
Financial elder abuse can take a number of forms, including stealing money and other assets, forcing the elder to sell his property, and withholding money for daily living expenses.
Rejecting an idea, fancied by some state premiers, of a tax on assets, Germany's government opted firmly for a lower (25%) withholding tax on savings income.