| US Interagency Guidance, OCC 2023-17 | Third parties that support critical activities | Tier 1 Critical; critical activity recorded at intake |
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| NCUA | Third-party relationships, including CUSOs | Tier 1 Critical to Tier 3 Medium; CUSO recorded on the vendor |
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| OSFI B-10 (Canada) | High-risk and critical third-party arrangements | Tier 1 Critical or Tier 2 High, with subcontractors mapped |
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| DORA (EU) | ICT services supporting critical or important functions | Tier 1 Critical; function recorded for the register of information |
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| EBA Outsourcing Guidelines (EU) | Outsourcing of critical or important functions | Tier 1 Critical; outsourcing arrangement flagged |
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| PRA SS2/21 (UK) | Material outsourcing arrangements | Tier 1 Critical or Tier 2 High by your materiality assessment |
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| FCA SYSC 8 (UK) | Outsourcing of critical or important operational functions | Tier 1 Critical |
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| RBI (India) | Material outsourcing of IT services | Tier 1 Critical or Tier 2 High by materiality |
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| MAS (Singapore) | Material outsourcing arrangements | Tier 1 Critical or Tier 2 High by materiality |
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| CBUAE (UAE) | Material outsourcing | Tier 1 Critical or Tier 2 High by materiality |
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| APRA CPS 230 (Australia) | Material service providers supporting critical operations | Tier 1 Critical; critical operation linked |
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| HIPAA (US) | Business associates and their subcontractors | PHI in scope; tier by data and service criticality |
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| GDPR (EU and UK) | Processors and sub-processors | Personal data in scope; tier by data and service |
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| PCI DSS v4.0.1 | Third-party service providers (TPSPs) | Account data in scope; tier by service |
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| SOC 1 and SOC 2 reports | Subservice organizations | Mapped as fourth parties, with CUECs tracked |
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| NIST CSF 2.0 | Suppliers prioritized by criticality (GV.SC) | Tier 1 Critical to Tier 4 Low |
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