The subcontract for construction labor services is signed by all parties through consensus. A contract is established when all parties sign, seal or fingerprint the contract. However, units that accept subcontracting must have corresponding qualifications.
Legal Basis
Article 471 of the Civil Code
The parties may enter into a contract by way of offer, acceptance or other means.
Article 490
If the parties conclude a contract in the form of a contract, the contract shall be established when both parties sign, seal or fingerprint the contract. Before signing, sealing or fingerprinting, one party has performed its main obligations and the contract is established when the other party accepts it.
Article 791
A general contractor or a survey, design or construction contractor may, with the consent of the contractor, assign part of its contracted work to a third party to complete . The third party shall be jointly and severally liable to the contractor with the general contractor or the survey, design, and construction contractor for the work results completed by it. The contractor shall not subcontract all the construction projects it has contracted to a third party or subcontract all the construction projects it has contracted and subcontract them separately to third parties in the name of subcontracting.
Contractors are prohibited from subcontracting projects to units that do not have the corresponding qualifications. Subcontracting units are prohibited from subcontracting the projects they contracted. The construction of the main structure of the construction project must be completed by the contractor himself.