OPERATION.

SEC. 507. OPERATION. (a) As Common Carrier.— Section 8(a) of the Deepwater Port Act of 1974 (33 U.S.C. 1507(a)) is amended by inserting after “subtitle IV of title 49, United States Code,” the following: “and shall accept, transport, or convey without discrimination all oil delivered to the deepwater port with respect to which its license is issued,”. (b) Conforming Amendment.— Section 8(b) of such Act is amended by striking the first sentence and the first 3 words of the second sentence and inserting the following: “A licensee is not discriminating under this section and”.