There shall be no discrimination by any railroad company chartered by this State in favor of or against any railroad company with which it may connect, but each road shall deal with all its connections at any one point on the same terms, and shall afford the like customary facilities for the interchange of freight between all of its connections at the same point, any contract, combination, joint ownership or management to the contrary notwithstanding.
S.C. Code Regs. § 103-27