// IMMO.QUICK · GATECREDITSCORING · EUGH C-634/21 · BONITÄTSSCORES

A score is a decision, says the ECJ.

gateCreditScoring checks automated credit scores for explainability, contestability, and freedom from discrimination, based on the ECJ ruling of 7 December 2023 (Case C-634/21, SCHUFA). The mere creation of a probability value is an automated decision under GDPR Art. 22 once a third party decisively relies on it.

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Test result: BLOCK. 3 of 3 test cases passed, missing explainability or contestability leads to block.

✓ RELEVANT IF...

Your score decisively feeds into a third party's decision, for example a bank declining a loan with it

× NOT RELEVANT IF...

The score is only used internally and never leads to a third party decision, then the SCHUFA ruling does not apply and the gate honestly returns pass with applicable: false

// Architecture

Legal basis as hard flags.

Every row is a hard boolean check, not probabilistic scoring. A critical failure leads to block, a high severity failure to warn, everything else to pass.

Reference	Checks	Severity
EuGH C-634/21, 7.12.2023	Score creation as automated decision on decisive third party use	critical
Art. 22 DSGVO	Traceable explanation, not a pure black box output	critical
Art. 22 Abs. 3 DSGVO	Effective contestability for the affected person	critical
§ 31 BDSG	Prohibited proxy features absent, scientifically recognized method	critical
RL (EU) 2023/2225	Understandable explanation of the creditworthiness check for consumers	medium

// Worked examples

Four inputs, four outcomes.

No example is hypothetical, each is an actual test case from the test suite report.

Example 1 · Nexus not met

Score used only internally, no third party decision

PASS applicable: false

The SCHUFA ruling requires decisive third party use. Without it, the gate is honestly not applicable.

Example 2 · Critical, black box without contestability

No explainability, no contestability, prohibited proxy features

BLOCK 3 critical flags

A bank declines loans using this score, but nobody can trace why or object. The gate blocks its use for third party decisions.

Example 3 · All controls met

Explainable, contestable, no proxy features, scientifically recognized

PASS 0 flags

Every score is traceably justified and contestable. The gate certifies this score may be used for third party decisions.

// Clarification

What gateCreditScoring is not.

Not a ban on scoring itself. The gate does not prohibit computing a score, it requires explainability and contestability before it hands a third party the decision.

A score is a decision, says the ECJ.

Legal basis as hard flags.

Four inputs, four outcomes.

What gateCreditScoring is not.

For credit bureaus and scoring providers that want to provably bind their scores to the SCHUFA ruling and GDPR Art. 22.