1. Formal demonstration of the first release version of the product to the customer on the performer's servers 2. Obtaining a protocol of demonstration of the finished product indicating the volume of non-conformities, improvements, wishes (additional work) for new functional requirements and other comments with agreed deadlines and budget. 3. Signing of an additional agreement, in case of new functional requirements from the customer 4. Transfer of technical documentation for the possibility of integration and testing (approbation) of the product in the customer's internal circuit