31. Take the number to the airline counter, flash personal identification and get a boarding pass. 32. The taxpayer also gives a self-selected personal identification number. 33. Recent hacker attacks have highlighted how computer codes and personal identification numbers are easily hijacked. 34. Wooden headboards with the soldier's personal identification were installed. 35. They are no longer used as a personal identification number, but as a statistical signature. 36. Upon receipt of resume by regional education office, applicant is assigned a personal identification number. 37. Their programs work to influence our purchasing decisions, political allegiances, personal identifications and moral foundations. 38. Within a few days, the company sends its toll-free number and a personal identification code. 39. Users will be required to enroll in the service and obtain a personal identification number. 40. First, voters receive a personal identification number, which they enter when they log in to vote. 