BULLETIN NO. 97-04 VOLUME I RETENTION: September 30, 1998 TO: HEADS OF GOVERNMENT DEPARTMENTS, AGENCIES, AND OTHERS CONCERNED SUBJECT: YEAR 2000 DATE CONVERSION FORMAT 1. PURPOSE This bulletin notifies Federal Program Agencies that Treasury's Financial Management Service (FMS) has adopted the NIST (National Institute of Standards and Technology) Standard, Federal Information Process Standards Publication 4-1, to exchange data to accommodate the Year 2000. 2. PROCEDURAL CHANGE The calendar date representation that FMS will use to transmit and receive data is YYYYMMDD. The ordinal date representation that FMS will use to transmit and receive data is YYYYDDD. The fiscal date representation that FMS will use to transmit and receive data is YYYY. The time elements; year, month of year, day of month, and day of year may be represented and used independently or collectively as required. When used collectively, the high to low sequence must be maintained. EXAMPLE: February 1, 2000 will be expressed as 20000201 in calendar date form (YYYYMMDD). February 1, 2000 will be expressed as 2000032 in ordinal date form (YYYYDDD). October 1, 1999 will be expressed as 2000 in fiscal date form (YYYY). February 2000 will be expressed as 200002 (YYYYMM) to maintain the high to low order sequence. 3. EFFECTIVE DATE Effective immediately, to be applied upon the need to exchange data in Year 2000-compliant format. Date: April 29, 1997 Russell D. Morris Commissioner