In any of the following circumstances, bidders collude with each other in bidding:

(a) the substantive contents of the bidding documents such as the bidding quotation negotiated between bidders;

(two) the winning bidder is agreed between bidders;

(3) It is agreed between bidders that some bidders will give up bidding or win the bid;

(4) Bidders belonging to the same group, association, chamber of commerce and other organizations shall cooperate in bidding according to the requirements of the organization;

(five) other joint actions taken by bidders to win the bid or exclude specific bidders.

Fortieth in any of the following circumstances, it shall be deemed that bidders bid in collusion with each other:

(a) the bidding documents of different bidders are compiled by the same unit or individual;

(two) different bidders entrust the same unit or individual to handle the tender matters;

(three) the project management members specified in the bidding documents of different bidders are the same person;

(four) the bidding documents of different bidders are unusually consistent or there are regular differences in bidding quotations;

(5) The bidding documents of different bidders are confused with each other;

(six) the bid bond of different bidders is transferred from the account of the same unit or individual.

Article 41 Bidders are prohibited from colluding with bidders in bidding.

In any of the following circumstances, the tenderer and the bidder collude in bidding:

(a) the tenderer opens the tender documents before the bid opening, and leaks the relevant information to other bidders;

(2) The tenderee directly or indirectly divulges the pre-tender estimate, members of the bid evaluation committee and other information to the bidders;

(3) The tenderer explicitly or implicitly reduces or increases the bid price;

(4) The tenderer instructs the bidder to replace or modify the bidding documents;

(five) the tenderer expressly or implicitly provides convenience for a specific bidder to win the bid;

(six) other collusion between the tenderer and the bidder to obtain the bid of a specific bidder.

Forty-second to transfer or lease the qualifications, qualification certificates for bidding, belongs to the "Bidding Law" provisions of Article 33 of the bidding in the name of others.

Under any of the following circumstances, the bidder commits other fraudulent acts as stipulated in Article 33 of the Bidding Law:

(1) Using forged or altered license documents;

(2) Providing false financial status or performance;

(three) providing false resumes and labor relations certificates of the project leader or major technical personnel;

(4) Providing false credit status;

(5) Other fraudulent acts.