US Code

Public Law 119-102 (07/12/2026)

16 U.S.C. § 460u–3

“Improved property” and “appropriate map” defined; terms and conditions for rights of use and occupancy

Section text and notes

As used in this subchapter, the term “improved property” means a detached, one-family dwelling which meets each of the following criteria:
(1)
The construction of the dwelling began before the date (shown in the table contained in this section) corresponding to the appropriate map.
(2)
The property is located within the boundaries delineated on the map described in such table which corresponds to such date.
(3)
The property is not located within the boundaries of any other map referred to in such table which bears an earlier date.

Property within boundaries of map

Construction   began before

 Dated October 1992, No. 626–80,039–C

October 1, 1991

 Dated October 1986, No. 626–80,033–B

February 1, 1986

 Dated December 1980, No. 626–91014

January 1, 1981

 Dated September 1976, No. 626–91007

February 1, 1973

 Dated September 1966, No. LNPNE–1008–ID

January 4, 1965
The term “appropriate map”, means a map identified as “Boundary Map—Indiana Dunes National Lakeshore” (or “A Proposed Indiana Dunes National Lakeshore” in the case of a dwelling the construction of which was begun before ) which is dated and numbered as provided in the following table.
The term “improved property” also includes the lands on which the dwelling is situated which meets both of the following criteria:
(A)
The land is in the same ownership as the dwelling.
(B)
The Secretary has designated the lands as reasonably necessary for the enjoyment of the dwelling for the sole purpose of noncommercial residential use.
ProvidedSuch term also includes any structures accessory to the dwelling which are situated on the lands so designated. The maps referred to in this section shall be on file and available for public inspection in the Office of the Director of the National Park Service, Department of the Interior. The Secretary shall designate the land referred to in subparagraph (B). The amount of land so designated shall in every case be not more than three acres in area, and in making such designation the Secretary shall take into account the manner of noncommercial residential use in which the dwelling and land have customarily been enjoyed: , That the Secretary may exclude from the land so designated any beach or waters, together with so much of the land adjoining such beach or waters, as he may deem necessary for public access thereto or public use thereof. All rights of use and occupancy shall be subject to such terms and conditions as the Secretary deems appropriate to assure the use of such property in accordance with the purposes of this subchapter.

Pub. L. 89–761, § 480 Stat. 1309 Pub. L. 94–549, § 1(3)90 Stat. 2529 Pub. L. 96–612, § 1(5)94 Stat. 3575 Pub. L. 99–583, § 1(b)100 Stat. 3318 Pub. L. 102–430, § 4(a)106 Stat. 2208 (, , ; , , ; , , ; , , ; , , .)

Editorial Notes

Amendments

Pub. L. 102–4301992— amended table generally. Prior to amendment, table read as follows:

“Property Within Boundaries of Map

Construction Began Before

Dated October 1986, #626–80,033–B

February 1, 1986

Dated December 1980, #626–91014

January 1, 1981

Dated September 1976, #626–91007

February 1, 1973

Dated September 1966, #LNPNE–1008–ID

January 4, 1965”.

Pub. L. 99–5831986— substituted provisions defining “improved property” and “appropriate map” for former provisions which read as follows: “The term “improved property”, whenever used in this subchapter, shall mean a detached, one-family dwelling, construction of which was begun before or, in the case of improved property located within the boundaries delineated on a map identified as “Boundary Map, Indiana Dunes National Lakeshore”, dated September 1976 and bearing the number 626–91007, before , or, in the case of improved property located within the boundaries delineated on a map identified as “A Proposed Indiana Dunes National Lakeshore”, dated September 1966, and bearing the number “LNPNE–1008–ID”, which map is on file and available for public inspection in the Office of the Director of the National Park Service, Department of the Interior, before , together with so much of the land on which the dwelling is situated, the said land being in the same ownership as the dwelling, as the Secretary shall designate to be reasonably necessary for the enjoyment of the dwelling for the sole purpose of noncommercial residential use, together with any structures accessory to the dwelling which are situated on the lands so designated.”

Pub. L. 96–6121980— inserted “ or, in the case of improved property located within the boundaries delineated on a map identified as ‘Boundary Map, Indiana Dunes National Lakeshore’, dated September 1976 and bearing the number 626–91007, before” after “begun before”.

Pub. L. 94–5491976— struck out subsec. (a) which related to the suspension of the authority of the Secretary to acquire improved property by condemnation when an appropriate zoning agency had in force a valid zoning ordinance, designated subsec. (b) as the entire provision, and in the entire provision as so designated, inserted provision including in definition of “improved property” a one-family dwelling the construction of which was begun before , or in the case of improved property located within the boundaries of the map bearing the number “LNPNE–1008–ID”, property the construction of which was begun before , and provision which subjected all rights of use and occupancy to terms and conditions the Secretary deems appropriate.