### Question
How does NATIONAL ENERGY CONSERVATION POLICY define retrocommissioning?


### Answer
Under *42 U.S.C. § 8253*, **retrocommissioning** is defined as:

> a process of commissioning a facility or system that was not commissioned at the time of construction of the facility or system

#### Citation:
  - *42 U.S.C. § 8253*
  - Heading: **CHAPTER 91-NATIONAL ENERGY CONSERVATION POLICY > SUBCHAPTER III-FEDERAL ENERGY INITIATIVE > Part B-Federal Energy Management**

