SECTION 6. MANUFACTURER’S

CERTIFICATION

.01 Requirements Applicable to Manu- facturer . The manufacturer of a building envelope component or energy property may certify to a taxpayer that the component is an eligible building envelope component or that the energy property is qualified energy property by providing the taxpayer with a certification statement that satisfies the requirements of sections 6.04, 6.05 and 6.06 of this notice. The certification statement may be provided by including a written copy of the statement with the packaging of the component or property, in printable form on the manufacturer’s website, or in any other manner that will permit the taxpayer to retain the certification statement for tax recordkeeping purposes.

.02 Taxpayer Reliance . Except as provided in sections 6.03 and 6.08 of this notice, a taxpayer may rely on a manufacturer’s certification that a building envelope component is an eligible building envelope component or that energy property is qualified energy property. A taxpayer is not required to attach the certification statement to the return on which the credit is claimed. However, § 1.6001–1(a) of the Income Tax Regulations requires that a taxpayer maintain such books and records as are sufficient to establish the entitlement to, and amount of, any credit claimed by the taxpayer. Accordingly, a taxpayer claiming a credit for an eligible building envelope component or qualified energy property should retain the certification statement as part of the taxpayer’s records for purposes of § 1.6001–1(a).

.03 Reliance Permitted Only for Instal- lation Consistent with Certification . A taxpayer may rely on a manufacturer’s certification in the case of a building envelope component only if the building envelope component is installed in a manner that is consistent with the manufacturer’s certification. For example, in the case of a storm window (or door), a taxpayer may rely on the manufacturer’s certification only if the component is installed over an exterior window (or door) of a class identified in the certification statement as one which in combination with the storm window (or door) has a U factor and SHGC of 0.30 or below.

.04 Content of Manufacturer’s Certifi- cation; Required Information. A manufac

cipal purpose is to serve a function other than the reduction of heat loss or gain.