A portion of the dividend income from your municipal bond ETF holdings may be exempt from state income tax, depending on your state’s tax laws. Betterment has calculated this for you, based on your state of residence listed within your account. Simply head to the Documents section of your account and then click the Tax Forms tab to download your Supplemental Tax Statement, which will contain this figure. Please note that while most customers will receive a Supplemental Tax Statement, a small ...