The factual background to the _ present application
appears from the affidavit of Alan Victor Riley, who is the legal
officer for the applicants. Mr Riley says in his affidavit that
since about March this year, the applicants have made available to
the Australian Customs Service voluntarily, access to their books
and documents at their offices at 140 St. George's Terrace, Perth,
for the purpose of conducting an audit with regard to the
importation of goods for the North West Shelf project. on
Wednesday, 20 July, he said he was called to the applicants'
boardroom where he met Denis John Lewis who introduced himself as
a Senior Investigation Officer with the Australian Customs Service
and also introduced him to two other customs officers. Riley was
then informed that Lewis had produced to the managing director of
Kaiser Engineers a notice to produce documents, which notice was
exhibited to his affidavit. Some discussion ensued between
himself and Lewis. Subsequently the first respondent, with
assistance from others, proceeded to seize and remove from the
premises a large quantity of documents occupying approximately 80
boxes. These documents evidently refer to various transactions
mentioned in a list entitled up "KJR Under Valuation", which had
been produced and given to other representatives of the applicant
companies present in the boardroom prior to Riley's arrival. A
copy of that document is exhibited to his affidavit. It lists a
number of purchases of equipment and the alleged under~-valuation