I do not doubt that David Jeffrey Bomford exists... or that his BC was posted on his family's geneology site. What I doubt is that the one that was downloaded from that site is the ORIGINAL that Bomford placed there. His personal birth data is certainly correct... however, the data about the location of that data in the public records, volume and page numbers, price if the document copy, the signatures, the names of the officials, , may have been taken from the Kenyan document, Photoshopped onto Bomford's original, and then the entire newly made file substituted for Bomford's original. Until someone compares what was there originally and what is there now, there is a question.
Long newish thread about Bomford doc
http://www.freerepublic.com/focus/news/2308435/posts?page=331
Discusses the importance of Book / Page
Do they even have Book / Page in South Australia?
Do they even have “certified copy of registration of birth” in South Australia?