ASC X12 Standards Approved by ANSI in 1983 ASC X12 Standards Approved by ANSI in 1986 Draft Standards for Trial Use Approved by ASC X12 in November 1987 Draft Standards for Trial Use Approved by ASC X12 through February 1988 Draft Standards for Trial Use Approved by ASC X12 through August 1988 Draft Standards for Trial Use Approved by ASC X12 through February 1989 Draft Standards for Trial Use Approved by ASC X12 through May 1989 Draft Standards for Trial Use Approved by ASC X12 through October 1989 Draft Standards for Trial Use Approved by ASC X12 through February 1990 ASC X12 Standards Approved by ANSI in 1992 Draft Standards for Trial Use Approved by ASC X12 through June 1990 Draft Standards for Trial Use Approved for Publication by ASC X12 Procedures Review Board through February 1991 Draft Standards for Trial Use Approved for Publication by ASC X12 Procedures Review Board through June 1991 Draft Standards for Trial Use Approved for Publication by ASC X12 Procedures Review Board through October 1991 Draft Standards for Trial Use Approved for Publication by ASC X12 Procedures Review Board through February 1992 Draft Standards for Trial Use Approved for Publication by ASC X12 Procedures Review Board through June 1992 Draft Standards for Trial Use Approved for Publication by ASC X12 Procedures Review Board through October 1992 Draft Standards for Trial Use Approved for Publication by ASC X12 Procedures Review Board through February 1993 Draft Standards for Trial Use Approved for Publication by ASC X12 Procedures Review Board through June 1993 Draft Standards for Trial Use Approved for Publication by ASC X12 Procedures Review Board through October 1993 Draft Standards for Trial Use Approved for Publication by ASC X12 Procedures Review Board through February 1994 Draft Standards for Trial Use Approved for Publication by ASC X12 Procedures Review Board through June 1994 Draft Standards for Trial Use Approved for Publication by ASC X12 Procedures Review Board through October 1994 Draft Standards for Trial Use Approved for Publication by ASC X12 Procedures Review Board through February 1995 Draft Standards for Trial Use Approved for Publication by ASC X12 Procedures Review Board through June 1995 Draft Standards for Trial Use Approved for Publication by ASC X12 Procedures Review Board through October 1995 Draft Standards for Trial Use Approved for Publication by ASC X12 Procedures Review Board through February 1996 Draft Standards for Trial Use Approved for Publication by ASC X12 Procedures Review Board through June 1996 Draft Standards for Trial Use Approved for Publication by ASC X12 Procedures Review Board through October 1996 Draft Standards for Trial Use Approved for Publication by ASC X12 Procedures Review Board through February 1997 Draft Standards for Trial Use Approved for Publication by ASC X12 Procedures Review Board through June 1997 ASC X12 Standards Approved by ANSI in 1997 Standards Approved for Publication by ASC X12 Procedures Review Board through October 1997 Standards Approved for Publication by ASC X12 Procedures Review Board through February 1998 Standards Approved for Publication by ASC X12 Procedures Review Board through June 1998 Standards Approved for Publication by ASC X12 Procedures Review Board through October 1998 Standards Approved for Publication by ASC X12 Procedures Review Board through February 1999 Standards Approved for Publication by ASC X12 Procedures Review Board through June 1999 Standards Approved for Publication by ASC X12 Procedures Review Board through October 1999 Standards Approved for Publication by ASC X12 Procedures Review Board through February 2000 Standards Approved for Publication by ASC X12 Procedures Review Board through June 2000 Standards Approved for Publication by ASC X12 Procedures Review Board through October 2000 Standards Approved for Publication by ASC X12 Procedures Review Board through February 2001 Standards Approved for Publication by ASC X12 Procedures Review Board through June 2001 Standards Approved for Publication by ASC X12 Procedures Review Board through October 2001