There is no specific UCMJ Article concerned with the wear of the military uniform. If a service member is charged with improper wear of the uniform, it is likely to be a "Failure to follow direct orders" sort of situation.
Each branch of the Armed Forces has its own uniform regulations. Each of these lay out recourse for violation of the reg. See below:
See each of the applicable for specifics.
Article 134 of the Uniform Code of Military Justice (UCMJ) covers fraternization. This article prohibits improper relationships between officers and enlisted personnel that are prejudicial to good order and discipline. Penalties for violating this article can include court-martial, reprimand, or other administrative actions.
Article 86 of the Uniform Code of Military Justice (UCMJ) addresses failure to report or being absent without leave (AWOL).
What article of the UCMJ covers fraternization
Article 134 of the Uniform Code of Military Justice (UCMJ) covers the offense of fraternization. This article prohibits improper relationships between officers and enlisted personnel that compromise the chain of command, order, discipline, morale, or unit cohesion. Penalties for fraternization can range from a reprimand to court-martial.
Article 134
Article 92
Article 86
Article 134
Article 92
134
It defines who is subject to the Uniform Code of Military Justice (UCMJ)
108