The article discusses topical issues concerning the application of Article 173.1 of the Civil Code of the Russian Federation to transactions related to the termination of participation rights in a corporation. The author analyses the impact of corporate regulation on the grounds for invalidity of transactions, paying particular attention to transactions involving the alienation of shares in the authorised capital made without obtaining the necessary consent of the company's participants or spouse. The article examines problematic aspects of judicial practice, as well as the consequences of violating the requirements for transactions established by the Government Commission on Monitoring Foreign Investment. The article proposes ways to solve the identified problems, including the possibility of amending the Law on LLCs and enshrining certain powers of the Government Commission in federal law.