“…Sometimes, the elaboration of the agreements may take several years before it is completed [47,48]. When concluding these agreements, the parties usually do not provide a great deal of detailed information in the agreement, which contains a preamble specifying the names of the parties, the date and place, and the goal of the agreement: e.g., "on the one hand, the company will develop the fuel and energy industry in the region, improve the region's economic situation, and maintain the social stability and social welfare of the region, and, on the other hand, the government is obliged to take steps to ensure a positive investment environment for all business entities" and some other general provisions [41].…”