PGI 204.1670 Cross reference to Federal Procurement Data System.       The following matrices should be used as a cross reference between the terms used in the FAR, DFARS, and the Federal Procurement Data System (FPDS).          STRUCTURE OF REQUIRED IDENTIFIERSKey and                         Description                      FormatA - DoD Procurement Instrument                         Identifier (PIID)                      Consists of the concatenation of the following four fields:Enterprise Identifier - DODAAC of contracting office                      Fiscal Year in which award is made                      Procurement Instrument Type Code                                                                  Serialized IdentifierSix alpha-numeric characters excluding                         I and O                      Two numeric characters                      One alpha character excluding                         I and O                                            Four alpha-numeric characters excluding                         I and O. 0000 is not an acceptable value.B - DoD Order Number (Supplementary PIID)                      Four alpha-numeric characters excluding I and O. A and P are prohibited in the first position. 0000 is not an acceptable value.                         (*NOTE:*                            *Four character supplementary PIID order numbers are only allowed to be issued through FY16.*                            *Subsequently, all orders must be in the format shown above in section A of this table.*                            *DoD activities are encouraged to transition as soon as possible in FY16 to this new method for numbering orders under DoD contracts and agreements.*                            *Transition must be completed no later than October 1, 2016.)*C - DoD Procurement Instrument Modification Identifier (Supplementary PIID)                      Six alpha-numeric characters beginning with A or P, excluding I and O. P00000 and A00000 are not acceptable values.D - DoD Order Modification Identifier (Supplementary PIID)                      Two alpha-numeric characters excluding I and O. 00 is not an acceptable value.                         (*NOTE:*                            *Two character supplementary PIID modification numbers are only allowed to be issued to DoD orders issued through FY16.*                            *Modification to DoD orders issued after the transition to the new method of numbering orders under DoD contracts and agreements must be in the form shown in section C of this table.*E - Non DoD Procurement Instrument Number                      4 to 50 Alpha-numeric charactersELEMENTS NEEDED TO IDENTIFY A DEPARTMENT OF DEFENSE PROCUREMENT ACTIONProcurement Instrument Action Type                                            Required as shown below to uniquely identify the action.Reference Procurement Instrument (Reference Use Only)                      Procurement Instrument Identifier (PIID) (Contract Number)                                            Modification Number Order NumberBPA or Order under a Schedule or other non-DoD Instrument                                            E                      AOrder against a BPA under a Schedule (FY16 and later)                      E                      A                      AOrder against a BPA under a Schedule (Pre-FY16)                      E                      A                      BDoD Contract, Purchase Order, BOA, BPA not under a Schedule, or other instrument                                            AOrder against a DoD Contract, BOA, BPA not under a Schedule, or other instrument (FY16 and later)                                            A                      AOrder against a DoD Contract, BOA, BPA not under a Schedule or other instrument                         (Pre-FY16)                                            A                      BModification to a BPA or Order under a Schedule or other non- DoD instrument                      E                      A                                            CModification to an Order against a BPA under a Schedule                         (FY16 and later)                      E                      A                      A                      CModification to an Order against a BPA under a Schedule                         (Pre-FY16)                      E                      A                      B                      DModification to a DoD Contract, Purchase Order, BOA, BPA not under a Schedule, or other instrument                                            A                                            CModification to an Order against a DoD Contract, BOA, or BPA not under a schedule (FY16 and later)                                            A                      A                      CModification to an Order against a DoD Contract, BOA, or BPA not under a schedule (Pre-FY16)                                            A                      B                      DFPDS Crosswalk                      FPDS FIELD NAMEREF_IDV_PIID                      REF_IDV_MODIFI-CATION_NUMBER                      PIID                      MODIFICATION_NUMBERBPA or Order under a Schedule or other non-DoD Instrument                      E                      Use 0                      A                      Use 0Order against a BPA under a Schedule (FY16 and later)                      A                      Use 0                      A                      Use 0Order against a BPA under a Schedule                         (Pre-FY16)                      A                      Use 0                      B*                      Use 0DoD Contract, Purchase Order, BOA, BPA not under a Schedule, or other instrument                                                                  A                      Use 0Order against a DoD Contract, BOA, BPA not under a Schedule, or other instrument (FY16 and later)                      A                      Use 0                      A                      COrder against a DoD Contract, BOA, BPA not under a Schedule, or other instrument                         (Pre-FY16)                      A                      Use 0                      B*                      D*Modification to a BPA or Order under a Schedule or other non-DoD Instrument                                                                  A                      CModification to an Order against a BPA under a Schedule                         (FY16and later)                      A                      Use 0                      A                      CModification to an Order against a BPA under a Schedule                         (Pre-FY16)                      A                      Use 0                      B*                      D*Modification to a DoD Contract, Purchase Order, BOA, BPA not under a Schedule, or other instrument                                                                  A                      CModification to an Order against a DoD Contract, BOA, or BPA not under a Schedule                         (FY16 and later)                      A                      Use 0                      A                      CModification to an Order against a DoD Contract, BOA, or BPA not under a Schedule                         (Pre-FY16)                      A                      Use 0                      B*                      D** *Note that FPDS strips leading zeroes, so that modification 02 to order 0024 is shown as modification 2 to order 24.*    **Parent topic:** PGI 204.16 -UNIFORM PROCUREMENT INSTRUMENT IDENTIFIERS