Submittal

(B) the aggregate amount of the § 179D deductions

allowed with respect to energy efficient lighting property installed on or in the building for

all prior taxable years.

(ii) Applicable percentage. If the interior lighting systems of

the building achieve a reduction in lighting power density of at least 40 percent, the

applicable percentage for the building is 100 percent. If the interior lighting systems of

the building achieve a reduction in lighting power density of less than 40 percent, the

applicable percentage for the building is 100 percent reduced at a rate of 6⅔

percentage points per percentage point by which 40 percent exceeds the percentage

reduction in lighting power density. For example, if the interior lighting systems achieve

a reduction in lighting power density of 36.25 percent, the applicable percentage is 75

percent (100 - (6⅔ x (40 – 36.25))).

(iii) Application to Multiple Taxpayers. If two or more

taxpayers install energy efficient lighting property on or in the same building and the

property is subject to the interim rule in section 2.03(1)(b) of this notice, the aggregate

amount of the § 179D deductions allowed to all such taxpayers with respect to the

building shall not exceed the amount determined under section 2.03(2)(b)(i) of this

notice.

.04

Partially Qualifying Property: Energy Efficient Heating, Cooling, Ventilation,

and Hot Water Property.

(1) In General. Energy efficient heating, cooling, ventilation, and hot water

property is partially qualifying property, within the meaning of section 2.01 of this notice,