NIEM 4.2 Release

NIEM 4.2 is a minor release, published October 2019.



  • Added and updated DNA and pedigree components in the Biometrics domain

  • Added components to the Emergency Management domain to support the Public Health Emergency Operations Center (PH EOC) Minimum Data Set

  • Updated Core-dependent code tables (#35)
    • Census county codes (#45)
    • Census / DOT commodity codes (#48)
    • DEA drug codes (#49)
    • Dept of Labor occupation codes (#50)
    • Census FIPS state codes (#51)
    • HazMat codes (#53)
    • HL7 FHIR religion codes (#54)
    • ISO 4217 currency codes (#55)
    • ISO 639-3 language codes (#56)
    • OmniClass facility codes (#57)
  • Updated FBI code sets

  • Updated GENC Code Lists CSVs to version 3-10 and added XML schema enumeration representations

See the NIEM 4.2 readme for a list of changes.

The following are the NIEM specifications that can be used with this release:

  • NIEM Naming and Design Rules, version 4.0 [published 2017]

    The NIEM Naming and Design Rules specifies the data model XML Schema components and XML data for use with the National Information Exchange Model (NIEM). Learn more...

  • Model Package Description, version 3.0.1 [published 2015]

    The NIEM Information Exchange Package Documentation (IEPD) Specification specifies normative rules and non-normative guidance for building NIEM information exchange messages. It defines IEPD artifacts like subset schemas, extension schemas, and MPD catalogs; and recommends how the package should be structured. Learn more...

  • NIEM JSON Specification, version 4.0 [published 2020]

    The NIEM JSON Specification establishes the technical basis for using JavaScript Object Notation (JSON) as a data format for exchange of information consistent with NIEM-conformant schemas and information exchange package documentations (IEPDs). Learn more...

  • NIEM Conformance Specification, version 3.0 [published 2014]

    The NIEM Conformance Specification introduces the idea of NIEM conformance and provides a general normative definition for its meaning, how it applies, and to what it does and does not apply. It describes the benefits of conformance, and refers to sources of information, tools, and help. Learn more...

  • NIEM Code Lists Specification, version 4.0 [published 2017]

    The Code Lists Specification adds support for new capabilities of NIEM code lists beyond the basic enumeration representations provided by XML and JSON schema. Key features include the definition of codes in CSV or Genericode files, dynamic code lists via run-time binding, and multi-column code table support. Learn more...

  • NIEM Conformance Targets Attribute Specification, version 3.0 [published 2014]

    The Conformance Targets Attribute Specification (CTAS) defines how NIEM XML documents indicate what kind of artifact they are through the use of a conformance targets attribute. Learn more...

  • NIEM High-Level Version Architecture Specification, version 3.0 [published 2015]

    The NIEM High-Level Version Architecture (HLVA) Specification identifies the processes, artifacts, and responsibilities required to produce new releases of the NIEM model. It also establishes a regular release cycle for predictable and manageable NIEM updates. Learn more...

Release Stats

The following are some basic statistics for the 4.2 release.

Details Group Prefix Name Properties Types Codes
Core 1,586 269 185
Core nc NIEM Core 1,586 269 185
Domain 9,919 2,552 9,436
Domain ag Agriculture 64 8
Domain biom Biometrics 1,012 591 1,327
Domain cbrn Chemical, Biological, Radiological, and Nuclear 608 147
Domain em Emergency Management 822 333 1,234
Domain hs Human Services 812 276 1,048
Domain im Immigration 457 95 1,388
Domain intel Intelligence 66 17
Domain ip Infrastructure Protection 31 8 3
Domain it International Trade 534 91
Domain j Justice 4,206 502 217
Domain m Maritime 339 47 180
Domain mo Military Operations 306 132 130
Domain scr Screening 599 255 3,731
Domain st Surface Transportation 63 50 178
Adapter 10 16
Adapter edxl-cap EDXL Common Alerting Protocol 1 1
Adapter edxl-de EDXL Distribution Element 1 1
Adapter edxl-have EDXL Hospital Availability Exchange 1 1
Adapter geo Geospatial 7 13
Code Set 5 1,098 73,009
Code Set aamva_d20 Data Dictionary for Traffic Record Systems (ANSI D20) codes 84 732
Code Set ag_codes Agriculture domain codes 62 79
Code Set apco Association of Public-Safety Communications Officials (APCO) codes 8 206
Code Set atf Bureau of Alcohol, Tobacco, and Firearms (ATF) codes 8 98
Code Set can Canada Post codes 2 13
Code Set cbrncl CBRN domain codes 131 2,435
Code Set census US Census Bureau county codes 2 3,235
Code Set commodity Standard Classification of Transported Goods (SCTG) Commodity Codes 8 131
Code Set dea Drug Enforcement Administration (DEA) Controlled Substances codes 6 482
Code Set dod_jcs-pub2.0 DoD Joint Publication 2.0 (JP 2-0) - Joint Intelligence codes 2 11
Code Set dol Standard Occupational Classification (SOC) occupation codes 2 840
Code Set edxl_rm Emergency Data Exchange Language (EDXL) Resource Messaging codes 4 24
Code Set fips_5-2 Federal Information Processing Standards (FIPS) 5-2 US state codes 2 69
Code Set genc Geopolitical Entities, Names, and Codes (GENC) codes 4 5,623
Code Set have-codes EDXL Hospital AVailability Exchange (HAVE) codes 24 43
Code Set hazmat DOT Hazardous Materials (HAZMAT) codes 2 2,441
Code Set hl7 Health Level Seven (HL-7) religion codes 2 83
Code Set iso_3166 ISO 3166 country and subdivision codes 8 5,698
Code Set iso_4217 ISO 4217 currency codes 2 182
Code Set iso_639-3 ISO 639-3 language codes 2 8,393
Code Set itcodes International Trade domain codes 44 2,219
Code Set jc3iedm DoD Joint Consultation, Command and Control Information Exchange Data Model (JC3IEDM) codes 2 4 364
Code Set jp3-52 DoD Joint Publication 3-52 (JP3-52) Joint Airspace Control codes 3 5 117
Code Set mmucc Model Minimum Uniform Crash Criteria (MMUCC) codes 146 700
Code Set ncic FBI National Crime and Information Center (NCIC) codes 184 31,982
Code Set ndex FBI National Data Exchange (N-DEx) Specification codes 250 4,560
Code Set nga National Geospatial Agency (NGA) codes 4 50
Code Set nlets The International Justice and Public Safety Information Sharing Network (NLETS) codes 6 20
Code Set occs OMNI Class Building Codes 6 1,006
Code Set sar Suspicious Activity Reporting (SAR) codes 8 76
Code Set ucr FBI Uniform Crime Reporting (UCR) codes 56 528
Code Set unece United Nations Economic Commission for Europe (UNECE) Recommendation 20 (UN/CEFACT) measure codes 12 151
Code Set usda_fsa United Stated Department of Agriculture (USDA) Farm Service Agency (FSA) codes 4 347
Code Set usps U.S. Postal Service (USPS) codes 2 62
Code Set xCard vCard XML representation codes 2 9
Total 11,520 3,935 82,630