During sessions the general assembly of joint stock company has the right to make resolutions in accordance with croatian company market law. As it happens with every activity, there is a possibility of irregularities which will affect the validity of it's resolutions. In accordance with that, it is neccesary to divide the resolutions of the general assembly with irregularities into: illusory resolutions, resolutions with no legal effect, null resolutions and void resolutions. Including the short explanations of each of them the basis of this paper will be on one group of irregular resolutions, those being void decisions. The paper will offer the definition of the term. After the term is explained paper will provide important void resolutions in accordance with croatian company market law. Including resolutions being made contrary to law or statute of the company which can be devided into resolutions that are void due to breaking the procedure or resolution whose content is made against the law or statute. Void resolutions which are the result of the attempt of a single shareholder to achieve special benefit at the detriment of the company. Void resolutions of whitholding the profits of the company, Voidability of resolutions made to increase the share capital. After that the paper will determine the legal remedy which is available to authorized people. The circle of authorized people which can dispute the resolutions. The procedure in which the resolutions are being disputed, courts jurisdiction in this matter, deadline in which the legal remedy can be used, law suit that can be filed, parties in the procedure and the legal effect of court's decision in the matter. Temporary measures to avoid irreparable damage being done to the company the measure of entering the resolution in court's registry and the possibility of confirmation of the disputed resolution.