Recognition begins when the cost threshold is reached
An eligible taxpayer can elect the ten-percent method for covered long-term contracts. Under that method, income related to allocable contract costs is not included until the tax year in which incurred costs reach at least ten percent of estimated total allocable contract costs. Costs from the earlier period receive the prescribed pre-contracting-year treatment. The method changes the start of reporting; it does not exclude ten percent of the contract price permanently.
The election is a method of accounting with continuing application to the relevant contracts entered into during and after the election year. It is not a contract-by-contract choice made after management sees which project produces the largest deferral. Eligibility, original-return procedures, consistency, and interaction with other methods must be reviewed. The regulations do not allow the election when the taxpayer uses the specified simplified cost-to-cost method. Look-back and alternative minimum tax treatment also require coordination. This guide focuses on the initial threshold decision, distinct from ordinary percentage-of-completion calculations once reporting has started. The business needs a documented election and contract population before the forecast assumes early-stage income disappears.
Follow a hypothetical contract across the threshold
Assume an eligible taxpayer validly elects the ten-percent method for a $1 million contract with estimated total allocable costs of $800,000. In the first year, it incurs $60,000 of allocable costs. That is 7.5 percent of estimated total costs, below the ten-percent threshold. Under the stated method, the initial recognition is deferred and the early costs receive the required carrying treatment rather than an automatic current loss deduction.
In the second year, cumulative costs reach $200,000 with the same total-cost estimate. The contract is twenty-five percent complete under the simplified cost-to-cost computation. Cumulative receipts are $250,000, and cumulative gross profit is $50,000 before other items. Because the first year did not begin recognition, the second-year computation must properly include the earlier carried costs and receipts under the method. The example assumes no price changes, special cost rules, or exceptions. A taxpayer cannot deduct $60,000 in the first year while also claiming that the same costs are deferred for the recognition method without analyzing the prescribed treatment. The threshold creates a timing shift that must reconcile across both years.
Document the election and all affected contracts
Retain the original return and supporting method workpapers showing adoption. List the contracts entered into in the election year and later years that fall within the method. Confirm eligibility and the interaction with the cost-allocation method used. A company should not discover at filing that its preferred simplification makes the ten-percent election unavailable.
For each contract, preserve incurred costs, estimated total costs, the threshold percentage, and the first year the threshold is met. Update estimates based on supported facts rather than holding the denominator artificially high to delay recognition. Track early costs separately so they are carried and released correctly. Reconcile the tax schedule to book costs and explain differences. When a contract is terminated before reaching ten percent, review the termination provisions instead of leaving costs deferred indefinitely. Keep the election history available when accounting providers change. A preparer needs to know that the method applies beyond the first project; a note saying one contract was deferred last year is not enough to establish the continuing treatment.
Evaluate the deferral with later cash needs
The election can reduce early income recognition on qualifying projects, but the deferred amount can appear when the threshold is reached even if customer cash has not increased proportionately. Show both years in the tax forecast and preserve a reserve for the catchup. A first-year reduction in estimates is not permanent savings available for distributions.
Compare the method's compliance requirements and interaction with existing practices before adoption. Review changes through the applicable accounting-method procedures rather than turning the election off for an inconvenient year. Coordinate the contract schedule with any required look-back and alternative minimum tax calculations. Management should receive a clear threshold report, the expected first-recognition year, and the related future tax demand. The practical result is a supported early-stage timing choice applied consistently across the required contract population, with no assumption that ten percent of revenue or cost simply escapes the tax system.
Sources & further reading
Consult the original guidance and its effective dates. These references support the educational discussion; their application depends on the specific facts.