DLMS Data Dictionary

The Authoritative Resource for DLMS X12 Data Elements and Codes

This Data Dictionary is the authoritative reference for all data elements used across Defense Logistics Management Standards (DLMS) Implementation Conventions (ICs). It provides standardized definitions and technical specifications for DLMS and its underlying ANSI ASC X12 data structures.

What This Dictionary Provides:

  • Clear Definitions: Find the official business definition and purpose for every data element used in DLMS transactions.
  • Technical Specifications: Get the exact technical format, length, and structure for each element as it appears in an X12 transaction.
  • DLMS to X12 Mapping: Understand exactly how a DLMS business term maps to a specific X12 segment and element (e.g., "Ship-To Address" maps to N1*ST in the 511R transaction).
  • Authoritative Code Lists: Access the complete and current lists of approved codes and qualifiers used in logistics transactions, such as status codes, discrepancy codes, and unit of issue codes.

Who Should Use This Resource:

  • System Developers & Integrators: To correctly build, map, and test DLMS-compliant applications.
  • Logistics & Supply SMEs: To understand the precise meaning and proper use of data in our business processes.
  • Data Analysts & Managers: To ensure data quality, standardization, and interoperability across systems.

Key Implementation Notes:

  • Relationship to Implementation Conventions (ICs): This Data Dictionary is a reference tool that enhances and supports the DLMS Implementation Conventions (ICs); it does not replace them. For proper implementation, users must consult the detailed guidance and business rules contained within the applicable IC.
  • Governing Standards: All data elements are governed by the Accredited Standards Committee X12 (ASC X12) and the policies within DLM 4000.25, Defense Logistics Management Standards (DLMS). The ASC X12 is the governing source for X12, which is an electronic data interchange (EDI) standard.
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View ICSorted by ascending REF CODE CODE NAME GENERAL CODE DEFINITION CODE DLMS NOTE
  810L FA201 C3 Budget Restriction Use to identify the Requesting Agency Component Treasury Account Symbol (TAS) A (Availability Type Code) 1. For DoD SLOA/Accounting Classification use to identify “Availability Type”. Refer to ADC 1043. 2. Used in association with the billing office line of accounting (Qualifier 58). 3. Authorized DLMS enhancement; see introductory DLMS note 6e.
  810L FA201 FT Funding Type Use to flag those expenditures incurred for a designated Treasury Appropriation Fund Symbol (TAFS) account that are considered reimbursable to the account 1. For DoD SLOA/Accounting Classification use to identify “Reimbursable Flag”. Refer to ADC 1043. 2. Used in association with the billing office line of accounting (Qualifier 58). 3. Approved for use in X12 version 4030. 4. Authorized DLMS enhancement; see introductory DLMS note 6e.
  810L FA201 L1 Accounting Installation Number Use to indicate the Authorization Accounting Authority (AAA)/Accounting and Disbursing Station Number (ADSN)/Fiscal Station Number (FSN) 1. For DoD SLOA/Accounting Classification use to identify “Agency Accounting Identifier”. Refer to ADC 1043. 2. Used in association with the billing office line of accounting (Qualifier 58).
  810L FA201 YB Beginning Period of Availability In annual and multi-year accounts, identifies the first year of availability under law that an account may incur new obligations 1. For DoD SLOA/Accounting Classification use to identify “Beginning Period of Availability Fiscal Year Date”. Refer to ADC 1043. 2. Used in association with the billing office line of accounting (Qualifier 58). 3. Use as appropriate to represent Program Year. Availability Type Code must be “X”. Refer to ADC 1043B. 4. Authorized DLMS enhancement; see introductory DLMS note 6e. 5. Approved for use in X12 version 7020.
  810L FA201 YE Ending Period of Availability Use to identify the last year of availability under law that an account may incur new obligations 1. For DoD SLOA/Accounting Classification use to identify “Ending Period of Availability Fiscal Year Date”. Refer to ADC 1043. , 2. Used in association with the billing office line of accounting (Qualifier 58). 3. Authorized DLMS enhancement; see introductory DLMS note 6e. 4. Approved for use in X12 version 7020.
  810L FA201 ZZ Mutually Defined Use to indicate the balance of the line of accounting.
  810L IT105 CA Catalog
  810L IT105 CT Contract
  810L IT105 NC No Charge Use to indicate nonreimbursable materiel.
  810L IT105 NT Net
  810L IT105 ST Standard
  810L IT106 A2 Department of Defense Identification Code (DoDIC) Use to identify specific types of ammunition and explosives, indicating both the item and its packaging 1. Use to identify ammunition items. 2. DLMS enhancement; see introductory DLMS note 6a.
  810L IT106 A4 Subsistence Identification Number Use to identify a brand name resale subsistence item
  810L IT106 FB Form Number A unique stock number associated with a specific Approved Code form 1. Use to identify the form stock number. 2. DLMS enhancement; see introductory DLMS note 6a.
  810L IT106 FS National Stock Number A number assigned under the federal cataloging program to each Approved Code United States Federal Item Identification
  810L IT106 FT Federal Supply Classification 1. Use to identify nonstandard materiel when a part number is not available and materiel can only be identified by description. 2. DLMS enhancement; see introductory DLMS note 6a.
  810L IT106 MG Manufacturer's Part Number A number assigned by a manufacturer to an item of production 1. Use to identify nonstandard materiel. 2. May be used to identify the supplier-assigned part number when applicable to a DoD FEDMALL or GSA Advantage/Global internet order from a vendor catalog. Refer to ADC 1068.
  810L IT106 YP Publication Number Reference number assigned to a publication or catalog , 1. Use to identify the publication stock number. 2. DLMS enhancement; see introductory DLMS note 6a.
  810L IT106 ZZ Mutually Defined 1. Use to identify nonstandard materiel when all other authorized codes do not apply or cannot be determined (includes management control numbers and locally assigned control numbers). 2. DLMS enhancement; see introductory DLMS note 6a.
  810L IT108 CN Commodity Name 1. Use only with IT106 code FT to identify the materiel name or description. 2. DLMS enhancement; see introductory DLMS note 6a.
  810L IT108 ZB Commercial and Government Entity (CAGE) Code Code assigned to establishments which either fabricates items of production and/or have design control of items procured by the federal government, or to identify certain military specifications or standards, and certain numbering systems developed by government agencies, panels or committees 1. Use only with IT106 code MG to uniquely identify a manufacturer's (or supplier’s) part number. 2. May be used to identify the supplier CAGE when applicable to a DoD FEDMALL or GSA Advantage/Global internet order from a vendor catalog.
  810L IT110 EN GTIN-13 1. This is the Global Trade Item Number (GTIN)-13. 2. DLMS enhancement. See introductory note 6a.
  810L IT110 UK GTIN-14 1. This is the Global Trade Item Number (GTIN)-14. 2. DLMS enhancement. See introductory note 6a.
  810L IT110 UP GTIN-12 1. This Global Trade Item Number (GTIN)-12. 2. DLMS enhancement. See introductory note 6a.
  810L QTY01 BA Due-In 1. Use to identify quantities which must be returned when credit or adjustment is provided in advance of receipt. 2. DLMS enhancement; see introductory DLMS note 6a.
  810L REF01 16 Military Interdepartmental Purchase Request (MIPR) Number DLMS enhancement; see introductory DLMS note 6a.
  810L REF01 3H Case Number DLMS enhancement; see introductory DLMS note 6a.
  810L REF01 43 Supporting Document Number 1. Use to identify the order or reference number when different from all others shown. 2. DLMS enhancement; see introductory DLMS note 6a.
  810L REF01 AN Associated Purchase Orders Use to identify the customer’s internal Purchase Order (PO) Number, or other internal reference number. The PO Number will cross-reference to the requisition document number (one PO Number per document number). When submitted on the requisition, this value must be perpetuated to the associated billing transactions. Authorized for DLA interface with the Exchange, NEXCOM, MCX, and non-DoD customers as required. See Addendum to ADC 473B and ADC 1465A.
  810L REF01 CR Customer Reference Number Use to identify the customer identification number.
  810L REF01 CT Contract Number Use to identify the procurement instrument identifier (PID) associated with this invoice billing line. When procurement is authorized under a PID call/order number (F in 9th position), provide the value in the PID field. For Other Transaction (OT) agreements, the type of instrument (9th position of PID) will be a 3 for Research OTs or 9 for Prototype and Production OTs. Refer to ADC 1161A or ADC 1420.
  810L REF01 TG Transportation Control Number (TCN) A 17-position alphanumeric assigned to control and manage every shipment unit throughout the transportation pipeline DLMS enhancement; see introductory DLMS note 6a.
  810L REF01 TN Transaction Reference Number A unique number generated by the original submitter of a pre-defined transaction and assigned to any pre-defined information exchange within the department of defense The transaction reference number retains its identity for the life of the generated transaction Use to identify the document number associated with the line of billing as the unique transaction number. For bills in response to requisitions, this must be the requisition document number. See Addendum to ADC 473B.
  810L REF01 W1 Disposal Turn-In Document Number , DLMS enhancement; see introductory DLMS note 6a.
  810L REF01 GTC General Terms and Conditions Identifier 1. Use to identify the Fiscal Service (FS) Form 760A General Terms and Conditions (GT&C) number in G-Invoicing related transactions. Refer to ADC 1465A. 2. DLMS enhancement; see introductory DLMS note 6a. 3. At this time a local code GTC is established for use in 810L version 4010. A data maintenance action will be submitted to ASC X12 to establish GTC, General Terms and Conditions Identifier, in a future version.
  810L REF04-01 W8 Suffix Use to identify supply transaction partial actions taken on the original document without duplicating or causing loss of identity of the original document number Use in conjunction with REF01 code TN to identify the transaction number suffix for a quantity les than the original quantity.
  810L DTM01 11 Shipped DLMS enhancement; see introductory DLMS note 6a.
  810L DTM01 35 Delivered Use to identify the delivery date (actual or constructive).
  810L DTM01 168 Release The date materiel was released Use to identify the drop from inventory date.
  810L DTM01 231 Progress Payment Use to identify the Progress payment bill date.
  810L DTM01 306 Adjustment Effective Date
  810L DTM01 315 Offset Use to identify the Progress payment recoupment date.
  810L DTM01 324 Returned Use to identify the materiel return to inventory date.
  810L DTM01 548 Date of Advance 1. Use to indicate the date of an advanced payment. 2. DLMS enhancement; see introductory DLMS note 6a.
  810L SAC01 A Allowance
  810L SAC01 C Charge
  810L SAC02 A170 Adjustments Use only for adjustments not specified by any other code Use only to identify an adjustment not specified by any other code.
  810L SAC02 C300 Discount - Special , Use for cash discounts.
  810L SAC02 C930 Export Shipping Charge Charge for goods or services transferred across national borders
  810L SAC02 D350 Goods and Services Credit Allowance Use for retail loss allowances.
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