главный исполнитель(Chief contractor who has a contract with the owner of a project or job, and has the full responsibility for its completion. A prime contractor undertakes to perform a complete contract, and may employ (and manage) one or more subcontractors to carry out specific parts of the contract. Also called main contractor. BD Alexander Demidov)
главный исполнитель контракта(when added to any sums paid or due to the Prime Contractor under the Contract, exceeds the total sum that would have been payable to the Prime ... Alexander Demidov)
