manfromuncle,
You thought wrong, I'm afraid.
Here is AIC 72/2007 that VNE mentioned above:
http://www.ais.org.uk/aes/pubs/aip/pdf/aic/4W139.PDF
Please refer to paragraph 1.3. Amendment 6 came into force on
19th July 2007 (although, to be fair, there is a slightly 'grey area' until Jan 2008.)