Start with the remaining contractual obligation
A project margin turning negative is a reason to investigate the contract, but it is not a completed provision calculation. Gather the enforceable remaining promises, customer consideration, termination rights and consequences of nonperformance. Have legal and accounting reviewers address uncertain terms before the team treats a commercial negotiation as an available exit.
IAS 37's onerous-contract assessment compares the economic benefits expected from a contract with its unavoidable costs. Those costs reflect the lower of fulfilling the obligation and the compensation or penalties associated with failing to fulfill it. The review is contract-specific; a general forecast of future operating losses follows a different accounting analysis.
References: New Zealand XRB: NZ IAS 37 obligations and restructuring
Use the cost population required for the assessment
Prepare the remaining work by deliverable, expected timing and source of cost. Under IAS 37, fulfillment costs include incremental costs and an allocation of other costs directly related to fulfilling contracts. A contribution-margin report that includes only purchased materials and subcontractors may therefore omit relevant costs.
Ask the reviewer which allocations are appropriate and retain the supporting basis. Separate sunk costs already recognized, future obligations and costs that do not belong to the contract. Reconcile the forecast to procurement commitments and delivery plans, marking assumptions that depend on unapproved staffing or supplier changes.
References: IFRS Foundation: IAS 37 provisions and contingent liabilities
Compare credible completion and exit paths
Obtain support for the cost and availability of each contractual alternative. An exit estimate should include the applicable settlement terms and required approvals. A proposal sent to the customer is not an accepted release. Record whether the company can act on the alternative at the reporting date and what uncertainty remains.
Suppose an illustrative contract has $80,000 of remaining benefits and supported fulfillment costs of $110,000. The company is also examining a $20,000 release payment. Those figures identify questions for the accountant; they do not justify automatically booking either $30,000 or $20,000 until the contractual position, measurement requirements and relevant asset assessments are resolved.
Update the estimate as the contract develops
Refresh remaining costs and benefits when change orders, supplier settlements or delivery facts change. Preserve the earlier approved assessment and explain new information separately. Reconcile actual spending and settlement against the relevant provision movements, with release decisions approved rather than used to smooth a later project's margin.
Sources
Requirements and product details can change. Check the linked guidance for the facts that apply to your situation.
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General information, not personalized accounting, tax, legal, or investment advice. Have the appropriate qualified professional review decisions that depend on your circumstances.