Self-Insured Retention
A self-insured retention is a set dollar amount that an insured organization must pay out of its own funds toward a covered loss before its liability insurance policy begins to respond. It functions as a self-insurance mechanism that some organizations use to help manage their insurance costs. Whether and how it applies depends on the specific policy wording.
A self-insured retention (SIR) is a dollar amount specified in a liability insurance policy that the insured must pay toward a claim before the insurer's coverage obligation is triggered. It operates as a form of retained risk (risk acceptance) rather than risk transfer, and it is typically associated with third-party liability coverage. The rights and duties of the insured and insurer with respect to defense, claim handling, and the point at which the policy responds are governed by the specific policy terms, and the SIR is generally distinguished from a deductible in how these obligations are allocated. The precise mechanics, including exhaustion, defense responsibilities, and interaction with limits, are subject to the individual policy wording and applicable jurisdiction.
Why it matters
For organizations buying cyber and other liability coverage, the self-insured retention determines how much of a loss the organization absorbs directly before any insurance responds. Because an SIR is a form of retained risk, risk acceptance rather than risk transfer, it directly shapes an organization's exposure and its cash flow when a claim arises. Selecting an SIR is a deliberate trade-off: accepting a larger retained amount is one way some organizations seek to manage their insurance costs, but it also means the organization must be financially prepared to fund that amount from its own resources when a covered event occurs.
The SIR also affects how a claim is handled, not just who pays first. Unlike a deductible, which insurers commonly manage as part of their own claim payment and then recover, an SIR is generally structured so that the insured is responsible for amounts within the retention, and the policy may allocate defense and claim-handling duties differently as a result. Whether the insurer or the insured controls defense, when the insurer's obligation is triggered, and how the SIR interacts with policy limits are all governed by the specific policy wording. Two policies with the same SIR figure can therefore behave quite differently in practice.
Because the mechanics turn on the individual policy terms and applicable jurisdiction, risk managers and coverage counsel should read the SIR provisions closely rather than assume standard behavior. Disputes can arise over questions such as how the SIR is exhausted, who directs the defense within the retention, and how the retention interacts with other coverage, issues that depend heavily on the precise language of the form.
Who it's relevant to
Inside SIR
Common questions
Answers to the questions practitioners most commonly ask about SIR.
