“PHBF RECORDLAYOUT 2002-2009 Apr 2009 to Mar 2010.xls” is an empty coded file that uses embedded intelligence to act as a record of births. It must be read in conjunction with records produced by the Office of National Statistics during '2002-2009 Apr 2009 to Mar 2010' in order to be properly integrated into Public Health Intelligence in the UK. It is a flat field consisting of a single string of 445 characters containing 35 separate fields. The file is the mouth of the world for the Office of National Statistics' authoritative view of birth and populations.