The legal effects of handwritten commitment letters
As long as the other party’s handwritten agreement or commitment complies with the other party’s civil capacity and legal content, and is confirmed by the other party’s personal signature, it has legal effect. Potency.
"General Principles of Civil Law"
Article 55: Civil legal acts shall meet the following conditions:
(1) The actor has the corresponding civil capacity ;
(2) The meaning is true;
(3) It does not violate the law or social public interests.
As long as the agreement does not violate national laws and regulations, it is an expression of the true intentions of both parties and is signed by both parties. It doesn’t matter whether it’s handwritten or typed.