48 CFR · Federal Acquisition Regulation and Defense supplement

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The codified text (eCFR, as of 2026-10-02). Under the Revolutionary FAR Overhaul ↗, agencies follow class deviations with new text for many parts while the formal rules go through the Federal Register: check the solicitation and your contract's clauses, which rule.

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13 sections with “sound business practice”

  • FAR 31.205-19 Insurance and indemnification.
    … incurred under the nominal deductible provisions of purchased insurance, in keeping with sound business practice, are allowable; and (ii) Minor losses, such as spoilage, breakage, and disappearance of small hand tools that occur in the or…
  • FAR 31.201-3 Determining reasonableness.
    …conduct of the contractor's business or the contract performance; (2) Generally accepted sound business practices, arm's length bargaining, and Federal and State laws and regulations; (3) The contractor's responsibilities to the Governmen…
  • FAR 31.205-4 Bonding costs.
    …nduct of its business are allowable to the extent that such bonding is in accordance with sound business practice and the rates and premiums are reasonable under the circumstances.
  • FAR 1.102-5 Role of the acquisition team.
    …, absence of direction should be interpreted as permitting the Team to innovative and use sound business judgment that is otherwise consistent with law and within the limits of their authority. Contracting officers should take the lead in e…
  • FAR 52.232-16 Progress Payments.
    …ause: (i) Costs that are not reasonable, allocable to this contract, and consistent with sound and generally accepted accounting principles and practices. (ii) Costs incurred by subcontractors or suppliers. (iii) Costs ordinarily capital…
  • DFARS 252.215-7002 Cost Estimating System Requirements.
    …tractor's estimating system shall provide for the use of appropriate source data, utilize sound estimating techniques and good judgment, maintain a consistent approach, and adhere to established policies and procedures. An acceptable estima…
  • FAR 1.102 Statement of guiding principles for the Federal Acquisition System.
    …d) The role of each member of the Acquisition Team is to exercise personal initiative and sound business judgment in providing the best value product or service to meet the customer's needs. In exercising initiative, Government members of t…
  • FAR 2.101 Definitions.
    …ounting data; they are all the facts that can be reasonably expected to contribute to the soundness of estimates of future costs and to the validity of determinations of costs already incurred. They also include, but are not limited to, suc…
  • FAR 28.308 Self-insurance.
    …the determination, the contracting officer shall consider the following factors: (1) The soundness of the contractor's financial condition, including available lines of credit. (2) The geographic dispersion of assets, so that the potentia…
  • FAR 31.205-17 Idle facilities and idle capacity costs.
    …t subject to reduction or elimination by subletting, renting, or sale, in accordance with sound business, economics, or security practices. Widespread idle capacity throughout an entire plant or among a group of assets having substantially …
  • FAR 52.232-32 Performance-Based Payments.
    … Contractor that are or should be allocable or properly chargeable to this contract under sound and generally accepted accounting principles and practices: (i) Parts, materials, inventories, and work in process; (ii) Special tooling and s…
  • DFARS 215.407-5-70 Disclosure, maintenance, and review requirements.
    …. (4) An acceptable system shall provide for the use of appropriate source data, utilize sound estimating techniques and good judgment, maintain a consistent approach, and adhere to established policies and procedures. (5) In evaluating t…
  • DFARS 252.242-7006 Accounting System Administration.
    …ystem. (c) System criteria. The Contractor's accounting system shall provide for— (1) A sound internal control environment, accounting framework, and organizational structure; (2) Proper segregation of direct costs from indirect costs; …

FAR (chapter 1)

DFARS (chapter 2, Defense)

Source: eCFR, 48 CFR chapters 1 and 2 (GPO GovInfo bulk data) ↗. Rule changes in progress: FAR, DFARS. Terms: glossary.