Legal analysis: If the other party knows or should know that it has received the corresponding goods, it shall bear the corresponding money and sign the payment form, which has civil legal effect.

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.