republic-os/legal/us/code/title-16/chapter-1/section-460u-3.md

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LegalText	16 U.S.C. § 460u–3	“Improved property” and “appropriate map” defined; terms and conditions for rights of use and occupancy	us	united_states_code	code_section	16	CONSERVATION	1	NATIONAL PARKS, MILITARY PARKS, MONUMENTS, AND SEASHORES	460u–3	16 U.S.C. § 460u–3	current	119-100	2026-06-26	official	https://uscode.house.gov/download/releasepoints/us/pl/119/100/xml_usc16@119-100.zip	/us/usc/t16/s460u–3	data/legal/raw/us/code/title-16/usc16.xml	70563f02a1f7e442533c7afc97d4749a2e64e8078b61ca0eb9bc7565b552eec6	7be8950da5a93cac7c98e4576ce00340f2aba5e8e46d29915382c203c421d503	86fabfdb3f939af75f2a83b307cc478e7047bc53d3682e52205c2c018cf0b37e	2026-07-04	official	legal us-code

16 U.S.C. § 460u–3 - “Improved property” and “appropriate map” defined; terms and conditions for rights of use and occupancy

Text

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.

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 January 4, 1965) which is dated and numbered as provided in the following table. Property within boundaries of mapConstruction began before  Dated October 1992, No. 626–80,039–COctober 1, 1991  Dated October 1986, No. 626–80,033–BFebruary 1, 1986  Dated December 1980, No. 626–91014January 1, 1981  Dated September 1976, No. 626–91007February 1, 1973  Dated September 1966, No. LNPNE–1008–IDJanuary 4, 1965

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.

Such 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: Provided, 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, § 4, Nov. 5, 1966, 80 Stat. 1309; Pub. L. 94–549, § 1(3), Oct. 18, 1976, 90 Stat. 2529; Pub. L. 96–612, § 1(5), Dec. 28, 1980, 94 Stat. 3575; Pub. L. 99–583, § 1(b), Oct. 29, 1986, 100 Stat. 3318; Pub. L. 102–430, § 4(a), Oct. 23, 1992, 106 Stat. 2208.)

Notes

Editorial Notes

Amendments1992—Pub. L. 102–430 amended table generally. Prior to amendment, table read as follows: “Property Within Boundaries of MapConstruction Began Before Dated October 1986, #626–80,033–BFebruary 1, 1986 Dated December 1980, #626–91014January 1, 1981 Dated September 1976, #626–91007February 1, 1973 Dated September 1966, #LNPNE–1008–IDJanuary 4, 1965”. 1986—Pub. L. 99–583 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 January 1, 1981 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 February 1, 1973, 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 January 4, 1965, 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.” 1980—Pub. L. 96–612 inserted “January 1, 1981 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”. 1976—Pub. L. 94–549 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 February 1, 1973, 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 January 4, 1965, and provision which subjected all rights of use and occupancy to terms and conditions the Secretary deems appropriate.