Waiver of payment to a military service member for an hour of treatment for a serious injury

In this video, the assistant to lawyer Goncharov, Valeria, talks about a new case at the law firm "Kerimov and Partners" from the military service, which is not subject to the military service with exceptions from the military region. No one has ever been paid a penny for an hour spent in the bath. How can I cancel the prescribed payment after leaving the military service and how can I resolve the dispute without going to court? Removal of payment to a military service member for an hour of treatment for a serious injury related to the Batkivshchyna defense.