Residents of Romilly-sur-Seine may soon be asked to return to the polls due to an issue discovered in the recent municipal elections. The small town in the Aube department elected its new mayor nearly six months ago, but a legal challenge is now under review. The administrative court in Châlons-en-Champagne is examining whether the election should be annulled due to an irregularity identified by the prefecture of the Aube. The issue stems from the list of candidates presented by Adam Da Costa, a centrist candidate who has been serving as mayor since March. On his list, a candidate of Dutch nationality was included without her nationality being clearly stated on the ballots. According to France's electoral code, any candidate who is a citizen of another European Union member state must have their nationality explicitly noted on the ballot. This rule aims to ensure transparency and prevent confusion among voters. Although the ballots were corrected in the second round of the election, the public rapporteur — an official responsible for overseeing electoral procedures — argued that the initial omission could have affected voters' understanding and the overall integrity of the election. During a hearing on September 17, the public rapporteur recommended that the entire election be annulled. The court is now considering the prefecture's appeal, which was filed after the March elections. If the court agrees with the recommendation, the election results would be nullified, and residents of Romilly could be called back to the polls in the coming months. Adam Da Costa, who is also a 29-year-old economics professor, could then file an appeal against the decision. Adam Da Costa's list, "All united, let's wake up Romilly," won the second round with 36.25% of the votes, following a four-way race. This victory allowed him to succeed Eric Vuillemin, who had led the commune for 18 years. Residents of Romilly will be informed of the court's decision on October 8, which will determine whether the election stands or if a new vote is required.