The conclusion of the collective contracts shall be bases upon the collective negotiations. The collective negotiations refer to acts to negotiate for the purpose of concluding the collective contracts by and between the trade unions or worker representatives of the enterprises and the duly authorized representatives of the enterprises, which shall be subject to laws and regulations and under the principles of fairness, equity and cooperation.

The agenda, timetable and location of the collective negotiations shall be arranged mutually by both parties. Either negotiating party is held responsible for providing data and information related to the collective negotiations to the other party without prejudice to confidentiality provisions and business secrets of the enterprises.

The periods of the collective contracts shall be one to three years. Both parties' representatives may check the performance of the collective contracts within the prescribed periods of such contracts. Where the performance of the collective contracts is hard to be carried out due to changes of circumstances and conditions upon which the collective contracts are concluded, either party of the collective contracts shall have the right to request changing or revoking such contracts. And the other party shall reply such request of changing, amending or revoking the collective contracts and meet the requesting party for negotiation within seven days upon request.