iMD Industry Article  |  July 2026  |  Biometric Standards & Compliance

ANSI/NIST-ITL 1-2025: What the New Fingerprint Interoperability Standard Means for Government Procurement

Government identity programs depend on a quiet assumption: that a fingerprint captured on one agency's hardware can be understood by every other agency's system. When that assumption breaks, the failure rarely shows up as an error message. It shows up as a search that returns nothing, a record that has to be re-captured, or a case that stalls because two databases speak slightly different dialects of the same standard.

The ANSI/NIST-ITL fingerprint interoperability standard exists to prevent exactly that failure mode, and it was recently revised. ANSI/NIST-ITL 1-2025 has been approved by the ANSI Board of Standards Review, and the update carries real implications for how agencies specify, procure, and certify fingerprint capture hardware going forward. For OEM manufacturers and systems integrators supplying that hardware, understanding what changed — and what it does not change — is a procurement question as much as a technical one.

Interoperability Is a Procurement Problem, Not Only a Technical One

Since its first issue in 1986, the ANSI/NIST-ITL standard has defined the transmission format that lets fingerprint and other biometric data move between systems built by different vendors on different timelines. It is implemented using the National Information Exchange Model and underpins some of the largest identity infrastructure in government: the FBI's Next Generation Identification system, the Department of Homeland Security's biometric identification programs, the Department of Defense's biometric systems, and the State Department's biometric visa program all rely on a shared data format to remain mutually legible.

That shared format is what allows a fingerprint captured at a border crossing to be searched against a database built for a completely different purpose, without a human reformatting the record by hand. A federal forensic science subcommittee has previously recommended that all automated fingerprint identification systems reach interoperability compliance within a defined window, and that procurement funds be limited to compliant systems. In other words, this is not an abstract standards exercise. It shapes what an agency is permitted to buy.

What the 2025 Revision Actually Changes

Three changes stand out in the 2025 revision. First, the standard adds structured support for contactless fingerprint capture — formal recognition that touchless acquisition methods now need a defined place in the same data format that governs traditional flat and rolled impressions. Second, the DNA record type has been redesigned, reflecting how forensic labs actually structure that data today. Third, and most operationally relevant to hardware buyers, the revision establishes sunset dates for older data encodings, giving agencies a defined runway to migrate off legacy formats rather than an open-ended deprecation.

Work on a further addendum reportedly began soon after the 2025 ballot closed, which is a useful reminder for procurement teams: this standard is maintained on a rolling basis, not a fixed release cycle. A sensor or system that is compliant today should come from a supplier who tracks the standard as it evolves, not one who certified against a snapshot years ago and stopped watching.

Three Certification Layers Buyers Often Conflate

Procurement specifications frequently reference "biometric standards compliance" as if it were one thing. In practice, a fingerprint sensor or system passes through several distinct layers, and a device can satisfy one without automatically satisfying another.

A procurement specification that only cites "ANSI/NIST-ITL compliant" without also naming the required image-quality certification and FAP level leaves a gap that a supplier can technically satisfy while still delivering hardware unsuited to the mission.

What This Means for Sensor and System Buyers

For OEM manufacturers, systems integrators, and procurement officers, a standard revision like this translates into a short checklist. Confirm which ANSI/NIST-ITL revision a supplier's format support targets, and ask how they track future addenda rather than treating certification as a one-time event. Confirm whether contactless capture is on the program's roadmap, since it now has a formal place in the data format rather than a vendor-specific workaround. Note the sunset dates for legacy encodings and build migration timelines around them rather than around a certification renewal calendar that may not align. And keep the three certification layers separate in any specification document, so that data-format compliance is never mistaken for image-quality certification.

This is also where sensor-level engineering intersects with standards work. iMD's MatriXcan™ fingerprint sensing technology is developed against FBI FAP-level certification requirements across multiple product configurations, and maintaining that certification is an ongoing process rather than a fixed milestone — which is the same posture the ANSI/NIST-ITL standard now expects of the ecosystem it governs. As is true of every standard in this space, the sensor is only one layer; the surrounding software, matcher, and data pipeline all have to honor the same format for interoperability to actually hold at the system level.

Conclusion: Standards Discipline Is a Procurement Advantage

Standards like ANSI/NIST-ITL rarely make headlines outside the identity community, but they quietly determine whether a decade of biometric infrastructure investment continues to talk to itself. As the 2025 revision moves from ballot to implementation, the agencies and integrators best positioned are the ones already treating standards tracking as a permanent discipline rather than a one-time compliance checkbox — and expecting the same discipline from every hardware supplier in their chain.

Frequently Asked Questions

+  What is the ANSI/NIST-ITL standard for fingerprints?

ANSI/NIST-ITL is an American National Standard that defines the data format used to exchange fingerprint, facial, and other biometric information between agencies and automated identification systems. First issued in 1986, it underpins interoperability across the FBI's Next Generation Identification system, DHS's biometric identification programs, the Department of Defense's biometric systems, and the State Department's visa programs.

+  What is EBTS Appendix F certification?

Appendix F is the FBI's most demanding fingerprint image-quality certification under its Electronic Biometric Transmission Specification (EBTS). It governs devices intended for one-to-many identification searches and requires stringent capture quality so that a print collected on one certified device can be reliably matched against prints from any other certified device. EBTS itself inherits its logical record structure from the ANSI/NIST-ITL standard.

+  Why does fingerprint data interoperability matter for government agencies?

Law enforcement, border control, and identity programs routinely exchange biometric records across agencies and jurisdictions. If those records are captured or formatted inconsistently, searches fail silently, matches get missed, and investigative or enrollment backlogs grow. A shared data standard ensures a fingerprint captured by one agency's hardware is usable by every other agency's matching system without reformatting or manual correction.

+  What changed in the ANSI/NIST-ITL 1-2025 revision?

The 2025 revision, approved by the ANSI Board of Standards Review, adds structured support for contactless fingerprint capture, redesigns the DNA record type, and establishes sunset dates for older data encodings so agencies have a defined runway to migrate off legacy formats. Work on a further addendum was already underway following the revision's approval.

+  Do all federal agencies use the same fingerprint data format?

They are converging on one, but implementation still varies. The ANSI/NIST-ITL standard sets the base transmission format, while individual agencies layer their own profiles on top of it — the FBI's EBTS and Appendix F certification being the most prominent example. A federal recommendation has called for all AFIS deployments to reach interoperability compliance and for procurement funds to be restricted to compliant systems, but agencies migrate on different timelines.