What remedies are available in the first instance?

The Codeof Administrative Proceedings of Ukraine (as of 2013, in Ukrainian)

Source: http://zakon3.rada.gov.ua/laws/show/en/2747-15/page6

Article177. 1. The court, having established a violation of the legislation onelections or a referendum, determines through its judgment the way to protectthe violated rights and interests, as well as elimination of all theconsequences of these violations according to the law. In case of establishmentof violations which can serve as grounds for initiating prosecution accordingto the rules established other than this code, the court can adopt a separatedecision indicating presence of such violations and can send  the case to individuals or authoritiesentitled by law to undertake actions with regard these violations.

Article198. 1. Having considered the appeal against the decision of the court of firstinstance the court of appellate instance may:

1) reject the appeal and leave theruling of the court of first instance unchanged - no changes;

2) change the ruling;

3) cancel the ruling of the firstinstance court and make a new one;

4) cancel the ruling and leave theclaim without consideration or close the proceedings;

5) recognize the ruling invalid,terminating the proceedings in the case;

6) cancel the judgment and send thecase for a new to the court of the first instance.