18 U.S.C.1505 addresses specified obstruction involving federal agency proceedings, congressional inquiries, and certain antitrust civil investigative demands. It does not automatically cover every argument with an official or every inaccurate document. The charged statutory paragraph and required intent must be identified. [1]
What proceeding is involved?
The general obstruction language concerns the due and proper administration of law in a pending federal department or agency proceeding, or the due and proper exercise of congressional inquiry authority. Whether a particular investigation or action qualifies requires analysis of the actual process and governing decisions. [1]
Court proceedings, witness tampering, and destruction of records can involve other obstruction statutes with different requirements. A charge should not be analyzed by importing elements from whichever obstruction law sounds most familiar.
The separate antitrust-demand provision has its own language concerning intentional avoidance, evasion, or prevention of compliance. Do not assume every section 1505 case follows precisely the same factual theory.
Corrupt conduct and proof
The statute addresses corrupt influence or obstruction, threats, force, and related conduct as specified. Section 1515 provides a definition relevant to “corruptly” for section 1505. The government must establish the applicable mental state and conduct, not merely that its work became inconvenient. [2]
Potential disputes include the nature and status of the proceeding, the defendant’s knowledge and intent, what act occurred, and the asserted connection between the act and the proceeding. A good-faith legal objection is not automatically corrupt obstruction, but labeling conduct a legal objection does not immunize deception or interference.
Penalties and other exposure
The ordinary maximum is five years, with a higher maximum for the statute’s specified terrorism circumstance, plus authorized fines. Other charged offenses can change overall exposure. A statutory ceiling is not a prediction of the sentence. [1]
Example: records sought by an agency
Preserve the demand, response instructions, relevant records, and communications about collection. If a request is burdensome or seeks privileged material, address it through the lawful objection or clarification process. Do not hide records or create a misleading account of what exists.
An organization should coordinate preservation and accurate responses without coaching false testimony. If records were lost accidentally, document what is known rather than manufacturing replacements presented as originals.
Counsel should examine the particular proceeding and charge before advising on defenses or sentencing. An administrative disagreement, a false-statement allegation, and obstruction may overlap factually but remain distinct legal questions.
Anticipated investigations can also raise record-destruction issues under section 1519. A separate fraud agreement may involve section 1349.
Primary sources
- 18 U.S.C. § 1505: Obstruction of proceedings before departments, agencies, and committees
- 18 U.S.C. § 1515: Definitions for certain provisions; general provision
Sources checked: October 31, 2026.