meh. plenty of times I've been forced over the line by sketchy swerving next to me. As long as you don't improve your position, it's not to be punished.
3B. Riding Conduct
3B1. Center Line. If a course is not closed to traffic, all
competitors must keep to the right of the center line or
enforcement line, but may pass on either side of another rider
[warning for accidental crossing of the center line with no
advance in position; relegation or disqualification for
advancing position; 10 day suspension for a flagrantly
dangerous attack].