This forms part of wider inquiries covering all of their balance of payments and international investment transactions. Information is collected about foreign portfolio investment in Australian assets where the investment is held by a nominee enterprise in Australia on behalf of a foreign investor. Most of these data are collected on a security by security basis. However, in some instances, such as foreign investment in tradable securities registered with domestic nominees, the transactions information is estimated by the ABS based on nominee holdings on behalf of nonresidents which is reported quarterly, together with public information on price changes for the relevant security portfolios. A wide variety of verification processes are adopted.
Data are also routinely compared with company reports.
Other Aspects Australia's IIP statistics are fully consistent with the rest of the world sector data in Australia's national accounts which are compiled on an SNA93 basis. Reference years are financial years ending 30 June. Calendar year data can be compiled by summing the flow data for the relevant quarters and by using December quarter levels. Revisions to previously published data are summarized in tabular form in each issue. Historical annual series, commencing in 1979-80, are included in hard copy publications and are released electronically with each issue.