The construction contract is that contract letting party pay for projects and contractors conduct construction.

施工合同是发包人支付工程款，承包人进行建设的合同。

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The contract letting unit and the contract undertaking unit shall fulfill all the obligations specified in the contract.

发包单位和承包单位应当全面履行合同约定的义务。

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Article 22 Where the contract letting unit invites bid for a construction project, it shall, in accordance with law, let the selected unit undertake the contract for the project.

第二十二条建筑工程实行招标发包的，发包单位应当将建筑工程发包给依法中标的承包单位。

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The new contract was drawn up to reform the so-called "drill and fill" culture by letting dentists spend more time with their patients.

BBC: Review into NHS dentistry access