“HUMAN RESOURCES”

A contradiction in terms?  Another oxymoron, to go along with these choice examples:
CIVIL WAR, CRASH LANDING, CLEARLY MISUNDERSTOOD
On and on they go. We are fighting with the Human Resources Department of my husband’s former employer. Words that seem appropriate, that I am trying to avoid, include “feckless, irresponsible, dismissive”. I could add a few more but I’m not into profanity. It is, seriously, against my religion. Does the Human Resources Department exist for humans, or for some other unknown species? Because if it does, it should relabel itself more accurately.
It’s a simple issue of back taxes from the 2015. It’s not rocket science. I have collected all the necessary documentation. All we need is an official letter verifying the facts. But no. They don’t do that. I’m puzzled by this cavalier attitude. If not this “team”, then who?