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Part 503: Improper Business Practices and Personal Conflicts of Interest

Subpart 503.1: Safeguards

• 503.101: Standards of conduct.
• 503.101-3: Agency regulations.
• 503.104: Procurement integrity.
• 503.104-2: General.
• 503.104-4: Disclosure, protection, and marking of contractor bid or proposal information and source selection information.
• 503.104-7: Violations or possible violations.

Subpart 503.2: Contractor Gratuities to Government Personnel

• 503.203: Reporting suspected violations of the Gratuities clause.
• 503.204: Treatment of violations.

Subpart 503.3: Reports of Suspected Antitrust Violations

• 503.303: Reporting suspected antitrust violations.

Subpart 503.4: Contingent Fees

• 503.405: Misrepresentations or violations of the Covenant Against Contingent Fees.

Subpart 503.5: Other Improper Business Practices

• 503.570: Advertising.
• 503.570-1: Policy.
• 503.570-2: Contract clause.

Subpart 503.7: Voiding and Rescinding Contracts

• 503.703: Authority.
• 503.705: Procedures.

Subpart 503.8: Limitations on the Payment of Funds to Influence Federal Transactions

• 503.806: Processing suspected violations.

Subpart 503.10: Contractor Code of Business Ethics and Conduct

• 503.1004: Contract clauses.