A cost reconciliation report is the annual filing in which a federal contractor or a Medicare-certified provider compares what it projected to spend against what it actually spent, so the government can settle up on a cost-reimbursement contract or a Medicare cost period. Government contractors working under cost-reimbursement or time-and-materials contracts must submit a final indirect cost rate proposal within six months of their fiscal year end. Medicare-certified providers must file within five months. Miss either window and the consequences arrive quickly: suspended payments, unilateral cost determinations, or a reduced reimbursement rate imposed by the contracting officer.
Who Has to File
Two separate federal regimes drive most cost reconciliation filings.
The first covers government contractors on cost-reimbursement or time-and-materials contracts. Under 48 CFR 52.216-7, these contractors must reconcile claimed costs against what the government considers allowable and submit a final indirect cost rate proposal for each fiscal year.1eCFR. 48 CFR 52.216-7 – Allowable Cost and Payment
The second covers Medicare-certified institutional providers: hospitals, skilled nursing facilities, home health agencies, and similar entities. Under 42 CFR 413.20, they must keep financial records sufficient to determine costs payable under Medicare and file an annual cost report with their assigned Medicare Administrative Contractor.2eCFR. 42 CFR 413.20 – Financial Data and Reports That report is what determines whether Medicare overpaid or underpaid during the period.
Filing Deadlines and What Happens If You Miss Them
Government contractors have six months after fiscal year end to submit an adequate final indirect cost rate proposal to the contracting officer and auditor. Extensions exist only for exceptional circumstances and must be requested and granted in writing.1eCFR. 48 CFR 52.216-7 – Allowable Cost and Payment Defense contractors more than six months behind risk a decrement factor applied unilaterally by the contracting officer, which reduces reimbursement.3Defense Contract Audit Agency. Incurred Cost Submissions
Medicare providers have a shorter window. Cost reports are due on or before the last day of the fifth month following the close of the reporting period. When the period ends on a day other than the last day of a month, the deadline is 150 days after the last day of the cost reporting period.4eCFR. 42 CFR 413.24 – Adequate Cost Data and Cost Finding A hospital with a December 31 fiscal year end must file by May 31.
Miss the Medicare deadline and Medicare payments are suspended in whole or in part until an acceptable report is filed.5eCFR. 42 CFR 405.371 – Suspension, Offset, and Recoupment of Medicare Payments The usual procedural protections that apply to other payment suspensions do not apply here. The cash flow effect can be severe.
What Goes in the Report
The core work is categorizing spending in a way that determines whether it qualifies for reimbursement.
Direct costs are tied to a specific project or service line, such as labor on a particular contract or materials for production. Indirect costs are broader operating expenses like rent, utilities, and administrative salaries that support multiple activities.
Allowable and Unallowable Costs
Allowable costs must be reasonable in amount, properly allocated to the contract or program, and consistent with the entity’s established accounting practices. Costs that fail any of these tests are rejected.
Some categories are flatly unallowable. For government contractors, fines and penalties from regulatory violations cannot be charged to the contract, and neither can costs tied to mischarging or falsifying records.6Acquisition.GOV. FAR 31.205-15 – Fines, Penalties, and Mischarging Costs Entertainment expenses, lobbying costs, and executive compensation above federal benchmarks are also off-limits. Including any of these in a reconciliation can trigger rejection of the claim and closer scrutiny of the whole submission.
Negotiated Indirect Cost Rate Agreements
Organizations receiving federal grants or cooperative agreements often work under a Negotiated Indirect Cost Rate Agreement. A cognizant federal agency negotiates the rate with the organization, and it applies across all of the entity’s federal awards. Having a rate already agreed simplifies reconciliation because the allocation method is settled before spending starts.
Variance Analysis
Variance calculations show the gap between the original budget and actual spending. Documenting variances accurately ensures the final settlement reflects what performance actually cost, without unauthorized overhead. Large unexplained variances almost always draw closer audit attention.
Forms and Supporting Records
Every figure in the report needs a paper trail back to source documents. General ledgers are the primary financial record. Supporting materials include payroll records for labor, vendor invoices for materials and services, time records for project-specific work, and travel receipts for field costs. The goal is a clean audit trail from raw invoices to final report figures.
Medicare Cost Report Forms
Medicare providers file on the CMS form designated for their provider type. Hospitals use Form CMS-2552-10, which captures facility characteristics, utilization data, costs and charges by cost center, and Medicare settlement data.7Centers for Medicare & Medicaid Services. Hospital 2552-2010 Form Skilled nursing facilities file on Form CMS-2540-10, covering similar categories for long-term care.8Centers for Medicare & Medicaid Services. Skilled Nursing Facility 2540-2010 Form Home health agencies and other provider types have their own forms. Figures on these worksheets must match the underlying source documents exactly; discrepancies invite delays and requests for more documentation.
Government Contractor Submissions
Defense contractors preparing incurred cost proposals can use the ICE (Incurred Cost Electronically) model developed by the Defense Contract Audit Agency, a standardized template built for FAR 52.216-7 compliance.9Defense Contract Audit Agency. ICE Model DCAA notes that using ICE does not guarantee adequacy; the contractor remains responsible for accuracy and completeness. Civilian agency contractors may use agency-specific portals or templates.
How to Submit
Medicare providers file electronically through the Medicare Cost Report e-Filing system (MCReF) to the assigned Medicare Administrative Contractor. CMS aggregates received reports in the Healthcare Cost Report Information System, which is a data warehouse rather than a filing portal.10Centers for Medicare & Medicaid Services. Cost Reports
Government contractors transmit their proposals through secure agency channels. Defense contractors submit to DCAA and the cognizant contracting officer; civilian agency contractors follow the procedures spelled out in their contracts. Multi-factor authentication and digital verification are standard.
What Happens After You File
Once a Medicare cost report is received, the Medicare Administrative Contractor has 30 days to decide whether the submission is acceptable, meaning complete and internally consistent enough to process.4eCFR. 42 CFR 413.24 – Adequate Cost Data and Cost Finding Reports that fail this desk review are returned for corrections, which restarts the clock and can put a provider in a late-filing posture if the original deadline has already passed.
A report that passes the desk review may move into a field audit, where analysts verify claimed expenses against underlying records. The MAC then issues a Notice of Program Reimbursement setting the final settlement: an additional payment to the provider or a demand for repayment. The timeline varies with complexity and audit backlog, but providers should expect at least 12 months and often longer.
For government contractors, DCAA or the cognizant federal agency audits the incurred cost proposal and negotiates final indirect cost rates with the contracting officer, who issues a rate agreement determining the final contract price. If the contractor fails to submit a completion invoice within the required timeframe after rates are settled, the contracting officer can unilaterally determine the amounts due and record that determination as a contract modification.1eCFR. 48 CFR 52.216-7 – Allowable Cost and Payment
Interest on Overpayments and Underpayments
When the settlement identifies an overpayment or underpayment, interest applies unless the balance is fully resolved within 30 days of the final determination. The rate is the higher of two benchmarks: the rate fixed by the Secretary of the Treasury based on prevailing private consumer rates, or the current value of funds rate published annually in the Federal Register.11eCFR. 42 CFR 405.378 – Interest Charges on Overpayments and Underpayments Interest accrues for each full 30-day period the payment is delayed. A provider who owes back money and delays repayment will watch the balance grow monthly. The same mechanism runs in the provider’s favor when Medicare underpaid, though the provider has already been operating without those funds during the review period.
If You Disagree With the Result
Medicare Provider Appeals
A Medicare provider unhappy with the final settlement has 180 days from receipt of the Notice of Program Reimbursement to request a hearing before the Provider Reimbursement Review Board. The amount in controversy must be at least $10,000.12eCFR. 42 CFR Part 405 Subpart R – Provider Reimbursement Determinations and Appeals Good cause extensions are available where the provider can show in writing that extraordinary circumstances prevented timely filing.
A settled cost report can also be reopened within three years of the original determination if either the provider or the MAC identifies errors that warrant correction. If fraud or similar fault is established, there is no time limit.13eCFR. 42 CFR 405.1885 – Reopening a Contractor Determination or Reviewing Entity Decision A change in CMS policy or legal interpretation alone is not grounds for reopening, and the decision whether to reopen is itself not appealable.
Government Contractor Appeals
A contractor who disagrees with the contracting officer’s final decision on cost allowability can appeal to the relevant board of contract appeals. For defense contracts, the appeal must reach the Armed Services Board of Contract Appeals within 90 days of receiving the decision.14Armed Services Board of Contract Appeals. Rules of the Armed Services Board of Contract Appeals Civilian agency contractors file with the Civilian Board of Contract Appeals on a similar timeline. A contractor can also skip the boards and file directly in the U.S. Court of Federal Claims within 12 months of the contracting officer’s decision.
Penalties for False or Missing Filings
Consequences for inaccurate or fraudulent cost reports go well beyond having a claim rejected. Under Medicare’s civil money penalty framework, the Office of Inspector General can impose fines of up to $20,000 per individual violation. For false statements, omissions, or misrepresentations of material fact, the ceiling rises to $100,000 per violation, with false records or statements carrying the same $100,000 maximum.15eCFR. 42 CFR 1003.210 – Amount of Penalties and Assessments Penalties apply per occurrence, so a pattern of false claims across multiple cost centers can compound rapidly.16eCFR. 42 CFR Part 1003 – Civil Money Penalties, Assessments and Exclusions
Even without fraud, providers who fail to maintain adequate records face payment suspension until the MAC is satisfied that proper recordkeeping has been restored.2eCFR. 42 CFR 413.20 – Financial Data and Reports
How Long to Keep the Records
Retention obligations differ between the two frameworks. Government contractors must make financial records available for at least three years after final payment on the contract. If a specific contract clause requires a longer period, that longer period controls.17eCFR. 48 CFR 4.703 – Policy Records retained beyond three years for the contractor’s own business purposes remain accessible to the government for as long as the contractor keeps them.
Medicare providers face longer expectations. Federal regulations and CMS guidance generally call for supporting records to be kept a minimum of five to six years from the date the cost report is filed or finalized. Because a cost report can be reopened for up to three years after settlement, and indefinitely in fraud cases, providers who destroy records too early may be unable to defend a reopened determination. Experienced compliance staff commonly recommend retention well beyond the minimum.
Low-Utilization Waivers for Medicare Providers
Not every Medicare provider has to file a full cost report. If a provider had low utilization of covered services by Medicare beneficiaries and correspondingly low interim payments during the period, the MAC can waive the full or simplified cost report requirement.4eCFR. 42 CFR 413.24 – Adequate Cost Data and Cost Finding The regulation sets no specific dollar threshold or patient count; the MAC decides based on whether it can calculate reasonable costs without a full report.
A waiver is not a total pass. Providers still submit the abbreviated forms CMS prescribes and any additional financial or statistical data the MAC requests, within the same deadlines that apply to full reports.4eCFR. 42 CFR 413.24 – Adequate Cost Data and Cost Finding