SECTION 4. Interim Guidance and

Reliance

This notice provides interim guidance. Issuers of tax-exempt bonds may rely on this notice for any actions taken with respect to tax-exempt bonds on or after November 1, 2007 and before the effective date of future regulations under § 150 that

implement the guidance in this notice. Issuers also may continue to rely on Notice 88–130 until the effective date of such future regulations. The IRS and the Treasury Department may amend or supplement the guidance in this notice as circumstances warrant.