### Question
How is the "improved property" defined?


### Answer
The term **improved property** is defined in *16 U.S.C. § 251h* as follows -

> any single-family dwelling on which construction was begun before January 1, 1976, together with so much of the land on which the dwelling is situated (such land being in the same ownership as the dwelling) as shall be reasonably necessary for the enjoyment of the dwelling for the sole purpose of noncommercial residential use, as the Secretary shall designate. 

#### Citation:
  - *16 U.S.C. § 251h*
  - Heading: **CHAPTER 1-NATIONAL PARKS, MILITARY PARKS, MONUMENTS, AND SEASHORES > SUBCHAPTER XXVII-OLYMPIC NATIONAL PARK**

