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gateMAS — Singapore MAS Notice 626 AML Gate
// IMMO.QUICK · GATEMAS · MAS NOTICE 626 · CDSA

MAS and UN sanctions in a single parameter.

gateMAS forensically seals that a Singapore-regulated institution passes twelve parameters of MAS Notice 626, with combined MAS and UN sanctions screening, before a business relationship counts as AML-compliant. Support for MAS-licensed institutions, never a replacement for MAS's own recognition.

In one sentence: gateMAS checks twelve Notice 626 parameters with the higher 20,000 SGD occasional-transaction threshold, combining MAS and UN sanctions lists in a single check.
✓ RELEVANT IF...
  • You are a MAS-licensed institution in Singapore with an AML/CFT duty
  • You need to demonstrably monitor the 20,000 SGD occasional-transaction threshold
✕ NOT RELEVANT IF...
  • You expect MAS to automatically recognise the result as a complete licence confirmation
  • No MAS-licensed institution or Notice 626 duty is involved
// The problem

A higher transaction threshold does not mean less diligence, only a different trigger point.

The occasional-transaction threshold in Singapore is 20,000 SGD, higher than in most other jurisdictions. gateMAS checks this value in a hardcoded way, rather than conflating it with the 15,000 EUR/CHF thresholds of other countries.

MAS-plus-UN sanctions screening as a combined, not separate, cluster
Singapore combines national MAS sanctions (MAS Act Part III) with UN sanctions in a single screening parameter. The gate deliberately reflects this combination, rather than artificially splitting it into two checks.
// Architecture

4 clusters, checked sequentially.

Every cluster is dispositive (material_block_mode: true), a hit blocks bindingly, not merely for documentation.

CLUSTER 1
MAS Licence & CDD
Checks verified MAS licence (MAS Act) and customer due diligence at 20,000 SGD or more (Para. 6).
mas_license_verified · cdd_20000sgd
CLUSTER 2
EDD & UBO & PEP
Checks enhanced due diligence for high risk (Para. 8), UBO identification at 25% or more (Para. 6), and PEP screening (Para. 8).
edd_high_risk · ubo_25pct · pep_screened
CLUSTER 3
MAS + UN Sanctions Screening
Checks the combined screening against MAS Act Part III sanctions and UN sanctions lists in a single parameter.
mas_un_sanctions_screened
CLUSTER 4
STR & Retention
Checks STR filing with STRO (CDSA §39) and 5-year retention (Para. 11).
str_filed_stro · retention_5y
No case, no doubt
Every cluster returns its own sealed result. A single hit in an active cluster is enough to block the overall action.
// Test results

Two tested scenarios.

All values on this page are fictional test data and serve only to illustrate the gate logic.

Scenario C1C2C3C4 Verdict Latency
Full compliance (12/12)PASSPASSPASSPASSMAS_SEALED420ms
4 critical violationsFAILFAILnot evaluatednot evaluatedBLOCK_MAS_8_FLAGS478ms
Cryptographic chain continuation
Every test produces a deterministic receipt_id, an input_snapshot_hash, an HMAC-SHA256 signature, and a merkle_link to the previous receipt. Persistence occurs in the gateMASReceipt entity with a 10-year retention period.
// Clarification

What gateMAS is not.

  • Not automatic recognition by MAS. The gate delivers a cryptographic proof, not regulatory licence confirmation.
  • Not a replacement for the actual STR filing with STRO. The gate seals the pre-check, it does not itself file with the authority.

For MAS-licensed institutions that want to make combined sanctions screening provable.

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