The article analyzes the accounting and tax regime of non-monetary contributions made by legal entities, as well as the deferral of capital gains obtained from these contributions. It mentions that there are objective, subjective, and formal requirements for the application of this special regime. The article also details who should make the communication, the deadline to do so, and to whom the communication is addressed. In addition, it mentions the corporate operations that can benefit from the special tax regime, such as mergers, spin-offs, and non-monetary contributions. The requirements for non-monetary contributions made by legal entities and individuals are also specified. The article deals with the actions of verification by the tax administration in relation to the special tax regime. These actions often generate discrepancies between the administration and taxpayers, and often result in settlements signed in disagreement. Taxpayers often make binding inquiries to the Tax Administration to determine if a commercial operation can benefit from the special regime and if the economic motive is valid. In summary, operations subject to the special regime must be supported by valid and justified economic reasons before the tax inspection. The article deals with the accounting and tax repercussions in the company ROCK SA due to a capital increase and the receipt of land. In the case of differences between the recorded value and the fair value of the received asset, it will be recognized in the account "Share premium or assumption". For the issuance of shares, they are recorded in the account "Issued shares or participations", "Share capital", and "Share premium or assumption". As for the tax consequences, the contributed lands will have a tax value of 1,000,000 euros, and different scenarios of share and land transfers between the companies ROCK SA and MAC SA are considered. The article deals with the accounting and tax consequences of the transfer of land by the company ROCK SA. The accounts and amounts involved in the transaction are detailed. In addition, it is mentioned that the transfer of shares of the company MAC SA before the transfer of the land has generated double taxation. It is explained that ROCK SA can make a negative adjustment in its taxable base to avoid this double taxation. The tax and legal implications of the operation regarding VAT and the tax on property transfers and document legal acts are also mentioned. The article deals with the practical application of the accounting and tax regime of non-monetary contributions made by legal entities regulated in article 87 of the LIS. The obligation to communicate restructuring operations to the tax administration is mentioned, and a deadline is established to do so. In addition, the information that must be included in the memory of the acquiring entity in corporate restructuring operations is detailed. Non-compliance with these obligations can result in economic sanctions. [Extracted from the article]