The Vodacom Cup is played between provincial rugby union teams in South Africa from the Currie Cup Premier and First Divisions, as well as an invitational team, the Namibia Kudus from Namibia.
Bonus points were awarded to teams that score four or more tries in a game, as well as to teams losing a match by seven points or less.
The top two teams in each section qualified for the play-offs.
In the semi-finals, the teams that finished first in each section had home advantage against the teams that finished second in the other section.
The following teams took part in the 1999 Vodacom Cup competition: