File Description / Source / Format / Notes / Date Created Articles: The articles are in PDF format. This format is also combined with Excel ver. 4 (XLS) tables in compressed executable (EXE) files. January 2002. Charities and Other Tax-Exempt Organizations, 1998 PDF (EXE). Foreign Trusts, 1998 PDF (EXE). Individual Income Tax Returns, 1999 PDF (EXE). Partnership Returns, 1999 PDF (EXE). Transactions Between Large Foreign-Owned Domestic Corporations and Related Foreign Persons, 1998 PDF (EXE). Link: Historical Tables and Appendix