Sector Mobile's office is located in Mobile, AL. Subject to the overriding provisions of Sec. 3.40-5, the boundaries of Sector Mobile's Marine Inspection Zone and Captain of the Port Zone start near the Florida coast at latitude 29[deg]59[min]14[sec] N, longitude 83[deg]50[min]00[sec] W, proceeding north to latitude 30[deg]15[min]00[sec] N, longitude 83[deg]50[min]00[sec] W; thence west to latitude 30[deg]15[min]00[sec] N, longitude 84[deg]45[min]00[sec] W; thence north to a point near the southern bank of the Seminole Lake at latitude 30[deg]45[min]57[sec] N, longitude 84[deg]45[min]00[sec] W; thence northeast along the eastern bank of the Seminole Lake and north along the eastern bank of the Flint River to latitude 32[deg]20[min]00[sec] N, longitude 84[deg]01[min]51[sec] W; thence northwest to the intersection of the Georgia-Alabama border at latitude 32[deg]53[min]00[sec] N; thence north along the Georgia-Alabama border to the southern boundary of Dekalb County, AL, thence west along the northern boundaries of Cherokee, Etowah, Blount, Cullman, Winston, and Marion Counties, AL, to the Mississippi-Alabama border; thence north along the Mississippi-Alabama border to the southern boundary of Tishomingo County, MS, at the Mississippi-Tennessee border; thence west along the southern boundaries of Tishomingo and Prentiss Counties; thence north along the western boundaries of Prentiss and Alcorn Counties; thence west along the northern boundaries of Tippah, Benton, and Marshall Counties, MS; thence south and west along the eastern and southern boundaries of DeSoto, Tunica, Coahoma, Bolivar, and Washington Counties, MS; thence east along the northern boundary of Humphreys and Holmes Counties, MS; thence south along the eastern and southern boundaries of Holmes, Yazoo, Warren, Claiborne, Jefferson, Adams, and Wilkinson Counties, MS; thence east from the southernmost intersection of Wilkinson and Amite Counties, MS, to the west bank of the Pearl River; thence south along the west bank of the Pearl River to longitude 89[deg]31[min]48[sec] W (at the mouth of the river); thence south along longitude 89[deg]31[min]48[sec] W to latitude 30[deg]10[min]00[sec] N; thence east along latitude 30[deg]10[min]00[sec] N to longitude 89[deg]10[min]00[sec] W; thence southeast to latitude 29[deg]00[min]00[sec] N, longitude 88[deg]00[min]00[sec] W; thence south along longitude 88[deg]00[min]00[sec] W to the outermost extent of the EEZ; thence east along the outermost extent of the EEZ to the intersection with a line bearing 199[deg]T from the intersection of the Florida coast at longitude 83[deg]50[min]00[sec] W; thence northeast along a line bearing 199[deg] T from the Florida coast at longitude 83[deg]50[min]00[sec] W to the coast. [USCG-2006-25556, 72 FR 36322, July 2, 2007, as amended by USCG-2013-0491, 80 FR 20163, Apr. 15, 2015]