Определите метод правового регулирования

Define the method of legal regulation that the legislator uses when he establishes the rule contained in Art. 135 of the Civil Code of the Russian Federation. Justify your conclusion. Briefly describe the importance of this method for regulating relations in the private law and public law spheres.
Civil Code of the Russian Federation. Part one
Article 135. Main thing and affiliation
A thing intended to serve another, main thing, and a general purpose (belonging) connected with it, follows the fate of the main thing, unless otherwise provided by the contract.

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