rule C6.1(a)
shall remove flag Y
before or as soon as possible after the umpires' signal.
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.