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Implementing Operational Resilience for Bank Islam: Aligning with BNM and Global Best Practices
OR BB FI MY Gen-14

[OR] [BI] [E3] [CBS] [3] [ITo] Establish Impact Tolerances

Bank Islam LogoRetail Financing Services represent a core revenue stream and a key customer touchpoint for Bank Islam, covering the full lifecycle from Shariah-compliant product structuring to recovery and regulatory reporting. As a licensed Islamic financial institution regulated by Bank Negara Malaysia (BNM), the Bank must ensure that disruptions to financing services remain within clearly defined tolerances to safeguard customers, financial stability, and Shariah compliance.

Establishing impact tolerances for CBS-3 Retail Financing Services aligns with the principles outlined in BNM’s 2025 Discussion Paper on Operational Resilience and industry guidance on operational resilience impact tolerances. Rather than focusing solely on recovery time objectives (RTOs), impact tolerances define the maximum level of disruption that can be tolerated before causing intolerable harm to customers, regulatory compliance, financial soundness, or Shariah integrity.

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Moh Heng Goh
Operational Resilience Certified Planner-Specialist-Expert

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New call-to-actionCBS-3 Retail Financing Services

Introduction

[OR] [BI] [E3] [CBS] [3] [ITo] Retail Financing ServicesRetail Financing Services represent a core revenue stream and a key customer touchpoint for Bank Islam, covering the full lifecycle from Shariah-compliant product structuring to recovery and regulatory reporting. As a licensed Islamic financial institution regulated by Bank Negara Malaysia (BNM), the Bank must ensure that disruptions to financing services remain within clearly defined tolerances to safeguard customers, financial stability, and Shariah compliance.

Establishing impact tolerances for CBS-3 Retail Financing Services aligns with the principles outlined in BNM’s 2025 Discussion Paper on Operational Resilience and industry guidance on operational resilience impact tolerances. Rather than focusing solely on recovery time objectives (RTOs), impact tolerances define the maximum level of disruption that can be tolerated before causing intolerable harm to customers, regulatory compliance, financial soundness, or Shariah integrity.

Purpose of This Chapter

This chapter defines appropriate impact tolerances for each Sub-CBS under CBS-3 Retail Financing Services. It aims to:

  • Identify the maximum tolerable downtime (MTD) and maximum tolerable data loss (MTDL) for each detailed process.

  • Assess the potential customer and regulatory impacts if disruptions exceed tolerance levels.

  • Evaluate current resilience posture and highlight required remediation actions.

  • Support Board and Senior Management oversight in meeting BNM’s expectations on operational resilience and Shariah governance.

Banner [Table] [OR] [E3] Establish Impact Tolerance

Table P4: Establish Impact Tolerance for CBS-3 

Sub-CBS Code

Sub-CBS

Maximum Tolerable Downtime (MTD)

Maximum Tolerable Data Loss (MTDL)

Customer Impact

Regulatory Impact

Impact Type

Current Resilience Status

Action Required

3.1

Product Structuring & Shariah Governance

5 working days

Zero tolerance for Shariah rulings; ≤ 1 hour working drafts

Delay in new product launch

Shariah non-compliance risk; breach of Shariah Governance Policy

Reputational / Compliance

Moderate – reliant on committee scheduling

Strengthen digital documentation & version control; alternate Shariah quorum

3.2

Customer Application Intake & Submission

24 hours

≤ 15 minutes

Inability to submit applications; customer dissatisfaction

Potential breach of fair treatment obligations

Customer / Conduct

Strong digital redundancy in place

Enhance surge capacity & channel failover testing

3.3

Credit Assessment & Approval

48 hours

≤ 30 minutes

Delayed approvals; lost business opportunities

Credit risk misstatement; governance breach

Financial / Prudential

Moderate – partial automation

Improve system integration & decision engine resilience

3.4

Financing Documentation & Legal Perfection

3 working days

Zero tolerance for executed legal docs

Delay in disbursement; legal exposure

Legal enforceability risk; audit findings

Legal / Compliance

Moderate

Digital vault backup & dual-site legal repository

3.5

Disbursement Processing

24 hours

≤ 15 minutes

Customer unable to access approved financing

Regulatory breach on customer funds handling

Customer / Financial

Strong controls but dependent on core banking uptime

Strengthen payment gateway redundancy

3.6

Account Setup & Maintenance

24 hours

≤ 15 minutes

Incorrect account status; billing errors

Reporting inaccuracies to BNM

Financial / Regulatory

Moderate

Improve reconciliation automation & data validation controls

3.7

Instalment Collection & Payment Processing

4 hours (peak cycle); 24 hours (non-peak)

≤ 5 minutes

Missed instalments; penalty miscalculation

Consumer protection & Shariah profit issues

Customer / Shariah

Strong – high automation

Enhance real-time monitoring & fallback batch processing

3.8

Profit Calculation & Statement Generation

24 hours

Zero tolerance for calculation errors; ≤ 5 minutes of data

Incorrect statements; trust erosion

Shariah and financial misstatement risk

Financial / Shariah / Reputational

Moderate

Strengthen parallel recalculation & audit trail validation

3.9

Arrears Monitoring & Early Intervention

3 working days

≤ 30 minutes

Delayed outreach; worsening delinquency

Credit risk provisioning misalignment

Prudential / Financial

Moderate

Automate early-warning triggers; backup MIS dashboards

3.10

Recovery & Collection Management

5 working days

≤ 1 hour

Slower recovery; financial losses

Governance & conduct risk

Financial / Conduct

Moderate

Develop remote access recovery workflows

3.11

Customer Service & Complaint Handling

24 hours

≤ 15 minutes

Increased complaints; reputational damage

Breach of complaint handling guidelines

Conduct / Reputational

Strong multi-channel support

Enhance disaster recovery for CRM platform

3.12

Regulatory, Risk & Shariah Reporting

48 hours (interim); 5 working days (final)

Zero tolerance for submitted regulatory data

Supervisory concern; potential penalties

Breach of BNM reporting requirements

Regulatory / Prudential

Moderate

Strengthen regulatory reporting data lineage & backup reporting site

 

Key Considerations in Setting Impact Tolerances

Consistent with BNM’s expectations:

  • Customer Harm Threshold: Where disruption affects customers’ ability to access funds, make instalments, or receive accurate statements, tolerances are set tighter (e.g., 4–24 hours).
  • Shariah Integrity: Zero tolerance is applied to incorrect Shariah rulings, executed contracts, and profit calculation accuracy.
  • Financial Stability & Prudential Reporting: Regulatory reporting and arrears monitoring tolerances reflect supervisory submission timelines.
  • Lifecycle Criticality: Disbursement and instalment processing are considered high-impact nodes in the financing lifecycle, thus requiring shorter tolerances.

Banner [Summing] [OR] [E3] Establish Impact Tolerance

Establishing impact tolerances for CBS-3 Retail Financing Services enables Bank Islam to clearly define the boundary between acceptable disruption and intolerable harm. By setting measurable downtime and data loss thresholds for each Sub-CBS, the Bank strengthens its ability to prioritise resilience investments, allocate resources effectively, and demonstrate compliance with BNM’s operational resilience expectations.

The next step involves rigorous scenario testing against these tolerances, validating whether existing controls, redundancy arrangements, and third-party dependencies can ensure disruptions remain within defined limits. Continuous review and Board-level oversight will ensure that the Bank’s retail financing services remain resilient, Shariah-compliant, and customer-centric even under severe but plausible stress scenarios.

Implementing Operational Resilience for Bank Islam: Aligning with BNM and Global Best Practices

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