Industry description
The investment seeks to generate interest income that is not subject to federal income tax.
Under normal market conditions, the fund invests at least 80% of its net assets (plus any borrowings for investment purposes) in municipal securities that pay interest not subject to regular federal income tax. It also invests in non-governmental municipal issuers. The fund primarily invests in general obligation and revenue obligation securities. The fund may from time to time invest temporarily up to 20% of its net assets in taxable securities of at least comparable quality to the municipal securities in which the fund invests.