The Telecommunications Radiocommunications and Broadcasting Regulator (TRBR) proposes to determine the submarine cable transmission capacity market as a relevant market pursuant to the power set out in Section 20 of the Telecommunications, Radiocommunications and Broadcasting Act (no 30 of 2009), (the “Act”). The Regulator also proposes to designate Interchange Limited (“Interchange”) as dominate in that market pursuant to the power set out in Section 21 of the Act.