UCMJ Article 109a: Mail Matter: Wrongful Taking or Opening

For deployed service members and their families, the mail is often a lifeline. A unit mailroom may hold birthday packages, official correspondence, prescription medications, and letters that carry real weight for morale. Article 109a of the Uniform Code of Military Justice protects that system by criminalizing interference with mail matter before it reaches the person it was meant for. The offense covers wrongfully taking, opening, secreting, destroying, or stealing mail, and it treats those acts as serious even when the item itself seems trivial.

Article 109a is a relatively new home for conduct the military has long punished. The Military Justice Act of 2016, effective January 1, 2019, relocated mail-tampering offenses that earlier appeared as enumerated examples under Article 134 into a standalone punitive article codified at 10 U.S.C. 909a. The substance carried over: the law protects the confidentiality and reliable delivery of mail entrusted to postal channels.

Two distinct theories of liability

Article 109a defines two separate offenses, and understanding the difference matters because they protect different interests.

The first is wrongful taking. It applies to a person who, with the intent to obstruct the correspondence of, or to pry into the business or secrets of, any person or organization, wrongfully takes mail matter before it is delivered to or received by the addressee. This theory requires a specific wrongful intent directed at someone’s correspondence or private affairs.

The second is wrongful opening, secreting, destroying, or stealing. It applies to a person who wrongfully opens, secretes, destroys, or steals mail matter before it is delivered to or received by the addressee. This theory does not require proof of the specialized intent that the taking offense demands; the wrongful act itself, directed at undelivered mail, is the gravamen.

Elements the government must prove

For the taking theory, the prosecution must establish:

  1. That the accused wrongfully took certain mail matter.
  2. That the taking occurred before the mail was delivered to or received by the addressee.
  3. That the accused acted with intent to obstruct the correspondence of, or to pry into the business or secrets of, a person or organization.

For the opening, secreting, destroying, or stealing theory, the prosecution must establish:

  1. That the accused wrongfully opened, secreted, destroyed, or stole certain mail matter.
  2. That the act occurred before the mail was delivered to or received by the addressee.

In both forms, the matter must be mail entrusted to a postal channel, which includes United States Postal Service mail and military mail such as APO and FPO correspondence.

A recurring point in mail cases is the timing requirement built into both theories: the wrongful act must occur before the mail is delivered to or received by the addressee. Once an item has reached the addressee, it is no longer mail matter in transit, and conduct involving it is addressed by other offenses, such as larceny or destruction of property, rather than by Article 109a. The article protects mail while it is still moving through the system toward the person entitled to receive it.

Maximum punishment

The maximum punishment for a violation of Article 109a is a dishonorable discharge, forfeiture of all pay and allowances, and confinement for five years, as set out in Part IV of the Manual for Courts-Martial. The actual sentence in any case is determined by the court-martial within that ceiling, and revised sentencing procedures apply to offenses committed on or after December 27, 2023 under the Military Justice Act framework.

Defenses

Authority is a frequent defense, because a person lawfully responsible for handling or distributing mail, such as a designated mail clerk acting within official duties, does not act wrongfully. A reasonable mistake of fact may also apply where the accused genuinely and reasonably believed the mail was their own. Accident can negate wrongfulness where mail is damaged unintentionally and without culpable carelessness. Because each theory turns on wrongfulness, conduct that was authorized or innocent generally falls outside the statute.

Distinctions from related offenses

Article 109a should not be confused with Article 120a, which addresses the deposit of obscene matter into the mail. Article 109a protects the security and delivery of mail regardless of its content, while Article 120a regulates a specific type of content placed into the postal system. Where mail matter contains property of value, larceny under Article 121 may also be charged, since stealing the contents implicates a separate property interest. Article 109a focuses on the integrity of undelivered mail itself.

Frequently asked questions

What does secreting mail mean?
Secreting refers to wrongfully hiding or concealing mail so that it is not delivered to the addressee. Concealing another person’s package to delay or prevent its delivery is an example of conduct the statute reaches.

Does Article 109a cover email or electronic messages?
No. The article addresses physical mail matter handled through postal channels. Misuse of computer systems or unauthorized access to electronic communications is addressed under other provisions of the UCMJ and federal law.

Can someone be charged for opening mail they believed was theirs?
A reasonable and honest mistake of fact about ownership may be a defense, because the offense requires wrongful conduct. The circumstances are examined to determine whether the belief was genuine and reasonable.

Why is the confinement ceiling as high as five years?
The maximum reflects the importance the military places on protecting the confidentiality and reliable delivery of mail, which supports both personal welfare and operational communication. The figure is set in the Manual for Courts-Martial.

Can mail offenses and larceny be charged together?
Yes. When mail contains property of value that is stolen, the government may charge both the mail offense and larceny under Article 121, because each protects a distinct interest and has distinct elements.

Sources

10 U.S.C. 909a, Article 109a, Mail matter: wrongful taking, opening, etc.: https://www.law.cornell.edu/uscode/text/10/909a

Manual for Courts-Martial, United States (2024 edition), Part IV: https://jsc.defense.gov/Portals/99/2024%20MCM%20files/MCM%20(2024%20ed)%20(20240102)%20(adjusted%20bookmarks).pdf

Military Attorney Joseph L. Jordan, Articles of the UCMJ

This article is for general informational purposes only and is not legal advice. It describes military law and procedure of public record, does not address any individual case, and does not create an attorney-client relationship.

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