The following graph shows the contractual structure of a typical BOT project or concession, including loan agreements, the shareholder agreement between the shareholders of the project company, and the subcontracts of the operating agreement and the construction contract, which is usually concluded between the project company and a member of the consortium of project companies. BOT is widely used in infrastructure projects and in public-private partnerships. Under the BOT, one third, e.B the public administration, delegates to a private sector institution the design, construction, operation and maintenance of infrastructure for a certain period of time. During this period, the private party is responsible for financing the project and has the right to withhold all revenues generated by the project and owns the facilities in question. The facility will then be transferred to the public administration at the end of the concession contract[4] without remuneration of the private entity concerned. Some or even all of the following parties could be involved in any BOT project: A build-operate-transfer (BOT) agreement is an agreement under which an investor commits to build, finance and operate a specific infrastructure asset (. B e.g. airport, port, power plant, water supply system, etc.) for a specified period of time and to maintain it before transferring the infrastructure asset to the government. Transfers. The duration of such an agreement is generally long enough for the investor to be able to take into account the investment costs for the construction of the infrastructure through non-recovery fees or user fees during the period during which it operates the infrastructure.

The Bangkok Mass Transit System Public (BTS), Bangkok`s elevated rail system, is an example of a BOT project. The project was implemented under a 30-year BOT concession contract between the concessionaire and the Bangkok Metropolitan Administration (the city government). A large number of BOT port and road projects have been implemented in the region. The Nhava Sheva International Container Terminal (NSICT) is an interesting example of efficiency gains through a BOT project in the port sector. In 1997, the Jawaharlal Nehru Port Trust (JNPT) in India signed an agreement with a consortium led by P&O Australia to develop a BOT-based twin container terminal for 30 years at a cost of $200 million. .