This document contains final regulations which modify the standards for treating certain payments in lieu of taxes or other tax equivalency payments (PILOTs) as generally applicable taxes for purposes of the private security or payment test under section 141 of the Internal Revenue Code (Code). This action is being taken in order to provide issuers of tax-exempt bonds with guidance on whether PILOTs are eligible to be treated as generally applicable taxes for this purpose. The regulations affect State and local governmental issuers of tax-exempt bonds.