C6.4

  1. rule C6.1(a) shall remove flag Y before or as soon as possible after the umpires' signal.
  2. A boat protesting under rule C6.1(b) or requesting redress under rule C6.3 shall, for her protest or request to be valid, keep her red flag displayed until she has so informed the umpires after finishing or retiring. No written protest or request for redress is required.