21.   Amy has a special code to punch in should she go into labor.

22.   Although Kahfi refused comment on the issue, many Chinese-Indonesians also believe their identification cards are marked with special codes denoting their foreign ancestry.

23.   Amy Mickelson has a special code to punch in should she go into labor.

24.   Capt. Geoffrey Douglas Stibbard used a special code in letters to his mother to reveal details of the German camp where he was held prisoner during World War II.

25.   International copyright groups insist that special Source Identification codes be built into the equipment, so that every disc could be back-traced.

26.   The special code allows a digital receiving device to determine whether the content is authorised for playback or copying.

27.   The system is designed with special codes embedded directly in a digital motion picture before distribution occurs, just like the watermark embedded in a banknote.

28.   Those who cooperate apparently receive a special code to prove that they have paid.

29.   To keep deals confidential, the newspaper said, clients are given special codes in e-mail exchanges with the provider.

30.   With equal access, customers will be able to choose between any of the five service providers through dailing special codes.