Inheritance of legacy by minors or incapacitated is a legal issue that raises many doubts in doctrine and jurisprudence. Recently, particular attention has been paid to doubts regarding the legal nature of the act of rejection of the inheritance, made by the legal representative of the heir who does not have full legal capacity, as well as the importance of his application to family court for giving permission to reject the inheritance on behalf of a minor and its influence on deadline for submitting the inheritance statement itself. The scope of this work includes the analysis of the indicated legal issues of the resolution of seven judges of the Supreme Court against the background of previous jurisprudence and the achievements of the doctrine.