The article discusses how civil law regulations can help attract investments in the digital infrastructure of the construction industry, focusing on financial leasing. The researchers used a technical and legal method to analyze the regulations and found that international financial leasing involves equipment sellers, lessors, and lessees. In Russia, the term "financial lease" is used, which combines elements of a lease contract with a purchase option. The study also identified specific aspects of implementing the UNIDROIT Convention in Russia, particularly in cross-border leasing. A draft federal law is being considered to introduce the concept of financial leasing, which is expected to improve the digital infrastructure of the construction industry.