What remedies are available in the first instance?

Law on Elections to the Seimas (as of2012, in English)

Source: http://www3.lrs.lt/pls/inter3/dokpaieska.showdoc_l?p_id=430477

Article86 4.While investigating the complaint against the decision of the constituencyelectoral committee concerning the drawing up of the vote counting record ofthe constituency, the Central Electoral Commission may recount ballot paperswhich are presented by the constituency electoral committee, and, in the eventof an arithmetical error in the record, incorrectly calculated valid or invalidballot papers, shall draw up an additional vote counting record of theconstituency, the polling district and attach it to the vote counting record ofthe constituency.

Article 91. 1. The Central Electoral Commission may declare the election resultsin the constituency null and void, if it has established that severe violationsof paragraph 1 of Article 51 of this Law or other laws which were committed inthe constituency or polling district, the falsification of documents or theloss thereof had an essential influence on the election results, and thefollowing essential results cannot be determined from the vote counting recordsor other election documents.