43 U.S.C. § 1312

Seaward boundaries of States

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The seaward boundary of each original coastal State is approved and confirmed as a line three geographical miles distant from its coast line or, in the case of the Great Lakes, to the international boundary. Any State admitted subsequent to the formation of the Union which has not already done so may extend its seaward boundaries to a line three geographical miles distant from its coast line, or to the international boundaries of the United States in the Great Lakes or any other body of water traversed by such boundaries. Any claim heretofore or hereafter asserted either by constitutional provision, statute, or otherwise, indicating the intent of a State so to extend its boundaries is approved and confirmed, without prejudice to its claim, if any it has, that its boundaries extend beyond that line. Nothing in this section is to be construed as questioning or in any manner prejudicing the existence of any State’s seaward boundary beyond three geographical miles if it was so provided by its constitution or laws prior to or at the time such State became a member of the Union, or if it has been heretofore approved by Congress.

Notes of Decisions
Cited in 45 cases (6 in the last 5 years), 1960–2026 · leading case: Amoco Prod. Co. v. Vill. of Gambell, 480 U.S. 531 (1987).
Amoco Prod. Co. v. Vill. of Gambell, 480 U.S. 531 (1987). · cites it 2× “Under § 4 of the Submerged Lands Act, 43 U. S. C. § 1312 , the seaward boundary of a coastal State extends to a line three miles from its coastline.”
United States v. Louisiana, 389 U.S. 155 (1968). · cites it 8× “31 , 43 U. S. C. § 1312 . The decision in the second California case, supra, held that Congress had left it up to this Court to define the "coast line" from which the standard three-mile grant was to be measured.”
State of Louisiana v. Salazar, 170 F. Supp. 3d 75 (D.D.C. 2016). “” (citing 43 U.S.C. § 1312 )); Louisiana ex rel. Guste v.”
Juliana v. United States, 217 F. Supp. 3d 1224 (D. Or. 2016). “See Restatement (Third) of The Foreign Relations Law of the United States § 511(a) (1987) (international law permits a nation to claim as its territorial sea an area up to twelve miles from its *1256 coast); Presidential Proclamation of Dec.”
United States v. California, 381 U.S. 139 (1965). · cites it 2× “4 [ 43 U. S. C. § 1312 ]. SEAWARD BOUNDARIES.”
State v. Jack, 125 P.3d 311 (Alaska 2005). · cites it 4× “The coastline is defined as "the line of ordinary low water along that portion of the coast which is in direct contact with the open sea and the line marking the seaward limit of inland waters.”
United States v. Louisiana, 363 U.S. 1 (1960). “confirms to each State a seaward boundary of three geographical miles, without “questioning or in any manner prejudicing the existence of any State’s seaward boundary beyond three geographical miles if it was so provided by its constitution or laws prior to or at the time such…”
United States v. Alaska, 503 U.S. 569 (1992). “A Alaska’s first argument proceeds from the premise that the SLA trumps the RHA for purposes of determining whether the Secretary may condition issuance of a permit on the State’s disclaimer of sovereignty over the accreted submerged lands.”
Pac. Merch. Shipping Ass'n v. Goldstene, 639 F.3d 1154 (9th Cir. 2011). “to the pilots’ argument that Congress’s enactment of § 1312 limited the ability of the states to regulate pilotage beyond their *1174 respective seaward boundaries, the Gillis court stated that: First, we disagree with the Pilots’ premise that Congress implicitly limited state…”
In Re: Air Crash Off Long Island, New York, on July 17, 1996, 209 F.3d 200 (2d Cir. 2000). “It is interesting to note that the states’ coastal borders, on the other hand, have been fixed by the Submerged Lands Act at three nautical miles, see 43 U.S.C. § 1312 (1994), however the United States redraws its baselines for international purposes.”
State v. Kirvin, 718 So. 2d 893 (Fla. 1st DCA 1998). · cites it 2× “Although some federal cases indicate that the territorial sea extends three miles from the coastline, it actually extends three nautical, or geographical, miles from the coastline.”
United States v. Maine, 469 U.S. 504 (1985). “Ill Under § 4 of the Submerged Lands Act, 43 U. S. C. § 1312 , a coastal State’s boundary is measured from its legal coastline.”
Annotations are extracted automatically from the opinions in the Syfert caselaw corpus and ranked by authority, recency, and treatment. Dots show Syfertize treatment of the citing case itself.