He needs to go and make an appointment with his counselor and let them know what the facts are in the most respectful way. If there is something wrond, they will fix it.
https://www.inmateaid.com/ask-the-inmate/if-my-son-has-items-he-ordered-and-paid-for-from-commissary-three-weeks-ago-and-keeps-asking-for-them-what-is-the-best-way-to-get-them-they-also-have-not-credited-him-13-00-that-they-owe-him-for-getting-the-order-wrong#answer
Accepted Answer Date Created: August 13,2017