### Question
Can you define what base loan means?


### Answer
**Base loan** is defined as the following in *12 U.S.C. § 1701z*:

> any mortgage loan for a residential building eligible for insurance under title II of the National Housing Act [12 U.S.C. 1707 et seq.] or title 38 that does not include the cost of cost-effective energy improvements

#### Citation:
  - *12 U.S.C. § 1701z*
  - Heading: **CHAPTER 13-NATIONAL HOUSING**

