What remedies are available in the last instance?

The Code of Administrative Proceedings ofUkraine (as of 2013, in Ukrainian)

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

Article 177. 1. The court, havingestablished a violation of the legislation on elections or a referendum,determines through its judgment the way to protect the violated rights andinterests, as well as elimination of all the consequences of these violationsaccording to the law. In case of establishment of violations which can serve asgrounds for initiating prosecution according to the rules established otherthan this code, the court can adopt a separate decision indicating presence ofsuch violations and can send  the case toindividuals or authorities entitled by law to undertake actions with regardthese violations.

Article 198. 1. Having considered the appealagainst the decision of the court of first instance the court of appellateinstance may:

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

2)change the ruling;

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

4)cancel the ruling and leave the claim without consideration or close theproceedings;

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

6)cancel the judgment and send the case for a new to the court of the firstinstance.