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

Article 177. 1. The court, having established aviolation of the legislation on elections or a referendum, determines throughits judgment the way to protect the violated rights and interests, as well aselimination of all the consequences of these violations according to the law.In case of establishment of violations which can serve as grounds for initiatingprosecution according to the rules established other than this code, the courtcan adopt a separate decision indicating presence of such violations and cansend  the case to individuals orauthorities entitled by law to undertake actions with regard these violations.

Article 198. 1. Having considered the appeal against thedecision of the court of first instance 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.