Debe efectuarse su estudio desde la perspectiva civil y de forma accesoria observar la legislación emitida en otras disciplina del derecho.

It is very difficult to create a set of all contracts. It wasn't even Hammurabi's Codex. In my opinion, the legislator describes the most common types of contracts. The rest can be created on general terms. In Polish law, we have named contracts and unnamed contracts. Named contracts are in the Civil Code. Unnamed contracts can be constructed according to the general principles indicated in Article 353¹ of the Civil Code: "The contracting parties may arrange the legal relationship according to discretion, as long as its content or purpose is not contrary to the properties (nature) legal relationship, the law or the rules of social coexistence." It gives the possibility of creating any contract, even mixing contracts. I am afraid of bad law, but I am even more afraid of perfect law. :)

La autoconfiguración de las cláusulas del contrato sobreviene en obligaciones entre las partes y, de conformidad con la autonomía de la voluntad, responden al interés general, como principio previo al ordenamien to jurídico. La sistematización de su fundamento jurídico permite -mediante un análisis lógico- la concreción de conocimien tos sobre la estructura teórica del contrato como instrumento jurídico regulador de la economía

In a very interesting publication: “La autonomía de la voluntad como principio previo a la autoconfiguración de las cláusulas del contrato” Prof. Idarmis Knight Soto wrote about legal coherent. The Professor wrote about legal coherent in contracts. I think that the coherence of the law can also be understood more broadly as the coherence of the law in the legal system. Prof. Idarmis Knight Soto rightly pointed out that "legal clauses do not operate in isolation, but in a systemic way." As an aside, I really like the idea that: "The interpretation of vague clauses should favor the party that did not propose it or did not prepare it." Interesting thought! I agree with that 100%. While analyzing the publication, I read the initial articles of the Cuban Civil Code. Article 4 of the Cuban Civil Code (mentioned by Prof. in her publication) corresponds to Article 5 of the Polish Civil Code, which reads: “Cannot make use of your right if would be contrary to the socio-economic purpose of this right or to the principles of social coexistence. Such an act or omission of the rightholder is not considered to be an exercise of the law and is not protected.”

Returning to the question of Prof. الدكتور نصير صبار لفته الجبوري, in my opinion you can’t find explicit legal texts in dealing with common share lease situations in civil laws, because the law is incoherent and does not operate in a systemic way.

Thanks to colleagues for the useful information

Try NOLO Press..... their books are helpful for certain US states and their lease laws... Try searching Amazon for current publications. Good luck!