the commitment letter for after-sales service of the project is legally binding if it is concluded by the parties concerned. If the promisor has corresponding capacity for civil conduct; The meaning is true and legal; If it does not violate public order and good customs, the undertaking is valid and should be fulfilled according to the agreement of the undertaking.

Legal basis

Article 143 of the Civil Code

A civil juristic act that meets the following conditions is valid:

(1) The actor has corresponding capacity for civil conduct;

(2) meaning is true;

(3) it does not violate the mandatory provisions of laws and administrative regulations, and does not violate public order and good customs.

Article 481

An acceptance shall be made by notice; However, according to the trading habits or offers, it is indicated that a promise can be made through behavior.

Article 481

An acceptance shall reach the offeror within the time limit specified in the offer.

if the offer does not specify the time limit for acceptance, the acceptance shall arrive in accordance with the following provisions:

(1) if the offer is made by dialogue, the acceptance shall be made immediately;

(2) If the offer is made by non-dialogue, the acceptance shall arrive within a reasonable time.