Legal analysis: Yes. The tender must be prepared in accordance with the format of the tender documents and the order cannot be changed. The information provided must be provided. The response to the contract terms in the tender is contained in the tender letter or the appendix to the tender letter. If it is included in the tender letter, the tender letter should be printed as usual, and the official seal and legal person seal (or client seal) should be put in the tender.

Legal basis: Article 50 of the Measures for Tendering and Bidding of Construction Projects. Under any of the following circumstances, the bid evaluation committee will reject its bid after preliminary examination: (1) No unit seal and no legal representative or agent authorized by the legal representative signs or seals; (2) Not filled in according to the prescribed format, with incomplete contents or illegible key handwriting.