THE information system FOR VEDLUDB has been established in accordance with the Law on Taxes and fees shall be determined in order to compile and maintain the data included in the electronic working time accounting system, as well as to issue them to the authorities specified in the Law for the performance of their functions. The principal performer of works shall provide the VEDLUDB with information on all works contracts concluded with his subcontractors during the previous month, with a contract amount of EUR 15 000 or more, and, in the event of a change in the amount of the contract, amendments to this contract, by the 15 date of each month. Not later than five working days after the commencement of the works, VEDLUDB information on the commencement of the construction of a third group or on the commencement of works costing EUR 350 000 or more shall be submitted for inclusion. Not later than five working days after the completion of the works, the VEDLUDB information on the completion of the works shall be submitted for inclusion. By the 15 th of each month, the subcontractor shall submit information on all works contracts concluded with his subcontractors during the previous month, with A contract amount of EUR 15 000 or more, and, in the event of a change in the amount of the contract, amendments to this contract. Time accounting reports and sub-contracting information are transferred to THE CROSS-system level of THE VEDLUDB through THE integration of EDLUS and VEDLUDB.