Business impact tolerance defines time thresholds beyond which operational interruptions cause irreversible damage such as regulatory breaches, customer attrition, revenue losses, or safety incidents. Unlike recovery time objectives focused on technical restoration, tolerance reflects business consequences and stakeholder expectations. An online retailer might tolerate only 15 minutes of checkout system downtime during peak shopping periods before significant revenue loss and brand damage occur. Tolerance levels inform continuity investments, recovery prioritization, and resilience requirements across people, processes, and technology. Organizations set different tolerances for various functions based on criticality, contractual obligations, and competitive positioning. Tolerance thresholds directly drive business continuity and disaster recovery strategies.