SECTION 3. CERTIFICATION
Internal Revenue Bulletin 2008-12 · 2026-10-03 edition · updated 2026-10-04 · United States
An eligible contractor must obtain the certification required under § 45L(c)(1) with respect to a dwelling unit (other than a manufactured home) from an eligible certifier before claiming the energy efficient home credit with respect to the dwelling unit. An eligible contractor is not required to file the certification with the return on which the credit is claimed. However, § 1.6001–1(a) of the Income Tax Regulations requires that taxpayers maintain such books and records as are sufficient to establish the entitlement to, and amount of, any credit claimed by the taxpayer. Accordingly, an eligible contractor claiming a $2,000 credit under § 45L should retain the certification as part of the eligible contractor’s records to satisfy this requirement. The certification will be treated as satisfying the requirements of § 45L(c)(1) if all construction has been performed in a manner consistent with the design specifications provided to the eligible certifier and the certification contains all of the following:
.01 The name, address, and telephone number of the eligible certifier.
.02 The address of the dwelling unit. .03 A statement by the eligible certifier that—
(1) The dwelling unit has a projected level of annual heating and cooling energy consumption that is at least 50 percent below the annual level of heating and cooling energy consumption of a reference dwelling unit in the same climate zone;
(2) Building envelope component improvements alone account for a level of annual heating and cooling energy consumption that is at least 10 percent below the
tax, disclosure, filing or payment obligations under § 4965, § 6033(a)(2), § 6011, and § 6071. Some taxable entities may be subject to disclosure obligations under § 6011(g), that apply to “prohibited tax shelter transactions” as defined by § 4965(e) (including listed transactions).
The Service and Treasury recognize that some taxpayers may have filed tax returns taking the position that they were entitled to the purported tax benefits of the type of transaction described in this notice. These taxpayers should take appropriate corrective action and ensure that their transactions are disclosed properly.
DRAFTING INFORMATION
The principal author of this notice is Eric Ingala of the Office of Associate Chief Counsel (Passthroughs and Special Industries). For further information regarding this notice, contact Mr. Ingala at (202) 622–3070 (not a toll-free call).
Amplification of Notice 2006–27 Certification of Energy Efficient Home Credit
Notice 2008–35
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