Visa policy of Ukraine
Visitors to Ukraine must obtain a visa from one of the Ukrainian diplomatic missions or online unless they come from one of the visa exempt countries.
Ukrainian nationality law
According to Ukraine's nationality law, Ukrainian citizenship can be voluntarily renounced by Ukrainian citizens who have taken up permanent residence in a foreign country and who have acquired a foreign citizenship or have received confirmation that they will acquire a foreign citizenship upon successful renunciation of their Ukrainian citizenship. Citizenship can only be renounced in the presence of a Ukrainian consular official at a Ukrainian diplomatic mission and proof of the final/impending acquisition of foreign citizenship is required to do so.