Definition:Provisional premium
📋 Provisional premium is an estimated premium charged at the inception of an insurance or reinsurance contract when the final premium cannot be determined until the policy period ends and actual exposure data becomes available. This situation arises frequently in lines where the premium base — such as payroll, revenue, or number of units — fluctuates over the coverage term. Workers' compensation, general liability, and certain excess of loss reinsurance treaties are among the most common applications.
🔄 At binding, the underwriter calculates the provisional premium using the insured's estimated exposures for the upcoming period, applying the agreed rates to those projections. The policyholder pays this amount — sometimes in installments — to maintain coverage throughout the term. After expiration, an audit or reporting process determines the actual exposure figures. The insurer then computes the earned premium based on real data and issues either an additional premium invoice or a return premium credit, depending on whether actual exposures exceeded or fell short of the original estimates. Minimum and maximum premium provisions often cap the adjustment range to protect both parties.
⚖️ Getting the provisional premium reasonably close to the final figure matters for both cash-flow management and financial reporting. An insured that significantly underestimates exposures may face a large additional premium call at audit, straining its budget. Insurers, meanwhile, need accurate earned premium figures to calculate loss ratios and set reserves appropriately. In reinsurance, provisional premiums on treaties like aggregate covers require careful monitoring through periodic bordereaux or statistical reports. The adjustment mechanism ensures that the price ultimately reflects the true risk transferred, preserving the actuarial integrity of the contract.
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