What deviation does the bidding document have without the signature and official seal of the authorized representative of the bidder?
Significant deviation. According to China's trip to official website. Com, in the bidding process, the bidding documents need to be signed and sealed by the authorized representative of the bidder, which is one of the necessary conditions for the bidding documents to take effect. Without the signature and official seal of the authorized representative, the bidding documents will not meet the requirements of the bidding documents, which is a major deviation, resulting in invalid bidding or being regarded as invalid bidding.