This refers to the consistency, accuracy and correctness of data stored in a database. The old adage “Rubbish in leads to Rubbish out” is at the heart of this subject along with the drive to ensure only “one set of numbers” is used. What measures are in place to communicate to users that not only has the data been subjected to a major focus that its integrity is 95% or above. For the 6th Edition we are aiming for 99.5%.