Correct contract bridge / by E.V. Shepard ; including the official Laws of contract bridge adopted by the Whist Club, New York, and by all the leading clubs in America.

6 CORRECT CONTRACT BRIDGE
P E N A L T I E S
Undertricks (Scored in Adversaries' honor score):
If Undoubled (When Declarer is Not Vulnerable), per trick..... 50
If Undouirbled (When Declarer is Vulnerable)
for first trick............ o100
for subsequent tricks, per
trick................ 200
If Doubled (When Declarer is Not Vulnerable)
first two tricks, per trick. ioo
for third and fourth tricks,
per trick.......... 200
for subsequent tricks, per
trick............... 400
If Doubled (When Declarer is Vulnerable)
for the first trick....... 200
for subsequent tricks, per
trick.............. 400
Redoubling doubles the doubled premiums and penalties except those for slams.
REVOKE
The revoke penalty for either side is the loss of
two tricks for any player's first revoke. One hundred points additional penalty for each subsequent
revoke by the same player.