sentences:  Testing includes the processing of the jadarite concentrate.On 25 July 2017 a memorandum was signed by Rio Tinto and the Government of Serbia, represented by the prime minister Ana Brnabić, which confirmed the year 2023 as the starting year, but also revealed that only now the working groups will be formed, studies will be conducted, and the process of issuing the permits will begin.The entire enterprise was named "Project Jadar".