when as a consequence of breaking a
rule
a boat has compelled another to break a
rule
, the other boat is exonerated for her breach.
When a boat is sailing within the
room
or
mark room
to which she is entitled and, as a consequence of an incident with a
boat required to give her that
room
or
mark room
, she breaks a rule of
section a
of part 2, rule
1516
or
31
, she is exonerated for her breach.
A right-of-way boat, or one sailing within the
room
or
mark room
to which she is entitled, is exonerated for breaking
rule 14
if the contact does not cause damage or injury.
43.2
A boat exonerated for breaking a
rule
need not take a penalty and shall not be penalized
for breaking that
rule
.