Section 38 - Sioux City, Iowa.

The zone adjacent to and commercially a part of Sioux City, Iowa, within which transportation by motor vehicle, in interstate or foreign commerce, not under a common control, management, or arrangement for a continuous carriage or shipment to or from a point beyond such zone, is partially exempt from regulation under section 203(b)(8) of the Interstate Commerce Act (49 U.S.C. 303(b)(8)) includes and is comprised of all points as follows:

(a) The area which would result by application of the general formula promulgated in 372.241 ; and, in addition thereto,

(b) That area bounded by a line beginning at the intersection of Interstate Highway 29 and the line described in paragraph (a) of this section, and extending southeasterly along Interstate Highway 29 to its intersection with the Liberty-Lakeport Township, Iowa, line, thence westerly along the Liberty-Lakeport Township, Iowa, line to the Missouri River, thence northerly along the east bank of the Missouri River to its intersection with the line described in paragraph (a) of this section, thence along the line described in paragraph (a) of this section, to the point of beginning.