Cape Town - Jaco van Heerden will referee Saturday's South African Super Rugby derby between the Bulls and Sharks at Loftus Versfeld in Pretoria.
Van Heerden, who was earlier this year promoted to the Super Rugby referees panel, will be assisted by Rohan Hoffmann and Ben Crouse, with Johan Greeff on Television Match Official (TMO) duty.
Saturday's other South African derby between the Lions and Stormers in Johannesburg will be refereed by Australia's Andrew Lees. Lees will be assisted by Quinton Immelman and Stephan Geldenhuys, with Marius Jonker the TMO.