41.   States using codes have battled problems with reliability and completeness of information, the CDC said.

42.   The codes were used during secret negotiations before the two companies announced their deal on Monday, spokesmen said.

43.   The FBI also was prepared to detail how Hanssen used secret codes to signal the time and place of his information drops.

44.   The legacy codes are now used to maintain the American nuclear arsenal through computer simulation.

45.   The thieves would use codes they captured to open the garage to gain access to houses.

46.   The two states that use codes have been missing cases, according to the Centers for Disease Control, which urges improving coding techniques.

47.   The sound code is used to authenticate the identity of the cardholder.

48.   The tax code is commonly used to encourage individuals and businesses to act in ways deemed in the public interest.

49.   They used a code.

50.   They said he used codes to communicate with suspected bombers and lied to agents from the FBI.