Is the reward agreement legal?

Legal analysis: effective. If the contract is signed by both parties voluntarily and does not violate the mandatory provisions of the law, the contract is valid.

Legal basis: Article 143 of the Civil Law of People's Republic of China (PRC) A civil juristic act that meets the following conditions is valid:

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

(2) the meaning is true;

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