The subject of the contract is technical support for STING EO radars of combat weapon management systems in 2019-2021 including repairs, modifications, control tests and training of technical personnel in accordance with the "Technical Requirements", with these services being provided in 2020 and 2021 provided that that the Employer will receive confirmation, until the end of 2019 and 2020, that in the financial years 2020 and 2021 he will receive funds for the service in 2020 and 2021, and that the Employer, after receiving confirmation of disposal of the financial resources referred to above, immediately notify in writing or by e-mail to the Contractor of the need to implement the scope of the contract provided for in 2020 and 2021.