In practice, if a party cannot eliminate the shortcomings of the appeal within the time limit established by the court, it may apply to the court with an application for an extension of the procedural time limit, indicating the reasons for the impossibility of fulfilling the requirements of the ruling to leave the appeal without further action.
If the donor is not in Ukraine, he can issue a power of attorney at a notary or at a consular office. He will also need to prepare a translation of the power of attorney and apostill it. In this way, the donor will authorize the trustee to conclude a gift agreement in Ukraine.
https://mod.gov.ua/news/vijskova-sluzhba-za-kontraktom-u-zsu-groshove-zabezpechennya-soczialini-garantiyi-ta-kar-yernij-rist - you can learn more about the features of military service under contract in the Armed Forces of Ukraine using this link.