Known issues / to do's for Maritime Boundaries version 9.1 Italy - Malta "Change ""Median line"" to ""Median Line Disputed"". " Source: http://www.un.org/depts/los/LEGISLATIONANDTREATIES/PDFFILES/NV%20Doalos%20Decreto%20MISE%202012.pdf Peru - Ecuador Update Peruvian Baseline data. Source: http://www2.congreso.gob.pe/sicr/cendocbib/con3_uibd.nsf/031880778C6FFC2C0525790B0070A569/$FILE/29687.pdf Correct Document URL for Source 1 of border between Peru and Ecuador source: https://treaties.un.org/doc/Publication/UNTS/Volume%202756/Part/volume-2756-I-48631.pdf (update URL1) Correct Document name for Source 1 of Joint Regime between Peru and Ecuador "Name: Agreement relating to a Special Maritime Frontier Zone. Lima, 4 December 1954" (update Source1) New Zealand Western hemisphere part of New Zealand EEZ Polygon is shifted northwards by 200m Netherlands - Germany Ems river border defined in treaty source: http://www.bgbl.de/xaver/bgbl/start.xav?start=%2F%2F*%5B%40attr_id%3D%27bgbl263s0652.pdf%27%5D#__bgbl__%2F%2F*%5B%40attr_id%3D%27bgbl263s0652.pdf%27%5D__1477469947835 PNG - Indonesia (Arafura Sea) treaty celebrated between Indonesia and Australia but today's border is between PNG and Indonesia. 1. There is an errant landmass appearing at -159.199/71.595 (Chukchi Sea) that does not exist. Consequently there is also a 12 & 24 NM maritime boundary line appearing around this errant island. Please view NOAA Nautical Chart # 16003 to confirm my statement. 2. Little Diomede Island is located at -168.921/65.759 (Bering Strait). The 12/24NM marine region files show a polygon located here but there is no associated 12 and 24NM maritime boundary line buffered out from here and there should be. Please view NOAA Nautical Chart # 16003 to confirm my statement. 3. Fairway Rock is located at -168.743/65.625 (Bering Strait). The 12/24NM marine region files show a polygon located here but there is no associated 12 and 24NM marine boundary line buffered out from here and there should be. Please view NOAA Nautical Chart # 16003 to confirm my statement. "Small gap in river border between French Guiana and Suriname, does not match with boundary line." a) 5.717 / -53.987 -> double boundary? b) 5.87 / -53.905 Small gap in land boundary Suriname (5.83 / -57.157) Boundary French Guiana - Suriname (LineID 3506) -> double line Overlap LineID 3489 (Portugal-Spain) and LineID 3505 (Morocco - Portugal) -> Fix gap Small gap South Portugal - Spain (36.518 / -7.257) -> Add to Spanish EEZ Italy - Slovenia Treaty between Italy and Slovenia http://www.un.org/Depts/los/LEGISLATIONANDTREATIES/PDFFILES/TREATIES/ITA-YUG1968CS.PDF Tristan da Cunha inexistent island southwest of Gough Island Chile Diego Ramirez Islands are missing http://www.un.org/Depts/los/LEGISLATIONANDTREATIES/losic/losic13e.pdf Slovenia - Croatia Border under Arbitration - http://www.pcacases.com/web/sendAttach/1785 Japan there is an island marked in N 29 20'37.73",E 140 52'3.86",the island should be in 29 48'14.66", E140 21'27.33". Nigeria - Cameroon Incorrect coordinates for a couple of points due to error in source. -> Change source to http://www.worldcourts.com/icj/eng/decisions/2002.10.10_boundary.htm