From a press release issued by the FIM:
Mies, August 5
Sidecar World Championship
Extra round in Assen on Sunday
A new round counting for the Sidecar World Championship will take place in Assen on Sunday 7 September 2003.
Therefore, there will be two races, the first one on Saturday 6 September as planned and a second one on Sunday 7 September.
Sidecar World Championship Race Added
Sidecar World Championship Race Added
© 2003, Roadracing World Publishing, Inc.