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SchemeLens

Provider code system · DECTA Gate

Provider source

120

Decline, transaction not permitted to terminal

The transaction is not allowed for the acquirer, terminal, or acceptance configuration.

Outcome
Declined
Code system
DECTA Gate
Raw format
Three-character raw acquirer response code

Operational context

No universal retry instruction encoded

DECTA Gate wording mapped to the SchemeLens “Terminal not permitted” concept.

Use the current scheme, provider, transaction, and advice-code rules; the raw response value alone may be insufficient for a retry decision.

Explicit mapping

SchemeLens concepts

These links are editorial mappings, not replacements for the raw source value. The relation shows how closely the wording aligns.

Normalized concepts mapped to DECTA Gate response code 120
ConceptRelationMapping note
Terminal not permittedDirect semantic matchDECTA Gate wording mapped to the SchemeLens “Terminal not permitted” concept.

Provenance

Sources used for this record

  • DECTA Gate: Response CodesOfficial for the three-character raw acquirer response values surfaced by DECTA Gate.
    Live provider reference, verified 27 July 2026

SchemeLens keeps source wording, normalized concepts, and operational guidance separate so later evidence can be added without rewriting the raw record.