Ar cle 610 Where a subject ma er fails to meet the quality requirements so that the purpose of the contract cannot be achieved, the buyer may refuse to accept the subject ma er or may rescind the contract. Where the buyer refuses to accept the subject ma er or rescind the contract, the risks of destruc on, damage, or loss of the subject ma er shall be borne by the seller. Ar cle 611 Where a seller’s performance is not in conformity with the agreement, the assump on of the risks of destruc on, damage, or loss of the subject ma er by the buyer does not a ect the buyer's right to request the seller to bear default liability. Ar cle 612 A seller has an obliga on to guarantee that no third person has any right over the subject ma er delivered, unless otherwise provided by law. Ar cle 613 Where, at the me a contract is concluded, the buyer knows or should have known that a third person has a right over the subject ma er of the contract, the seller shall not assume the obliga on provided in the preceding Ar cle. Ar cle 614 Where a buyer has a de nite evidence to prove that a third person has a right over the subject ma er, he may suspend payment therefor, unless the seller has provided an appropriate bond. Ar cle 615 A seller shall deliver the subject ma er in conformity with the quality requirements as agreed by the par es. Where the seller provides quality speci ca ons of the subject ma er, the subject ma er delivered shall conform to the speci ed quality requirements. Ar cle 616 Where there is no agreement between the par es on the quality requirements of the subject ma er or the agreement is unclear, if the quality requirements cannot be determined according to the provisions of Ar cle 510 of this Code, the provisions of Subparagraph (1) of Ar cle 511 of this Code shall be applied. Ar cle 617 Where a subject ma er delivered by the seller fails to meet the quality requirements, the buyer may request the seller to bear default liability in accordance with the provisions of Ar cle 582 to 584 of this Code. Ar cle 618 Where the par es agree to alleviate or exempt the seller’s liability for the defects of the subject ma er, if the seller, inten onally or by gross negligence, fails to inform the buyer about the defect of the subject ma er, he has no right to claim allevia on or exemp on of the liability. Ar cle 619 A seller shall deliver the subject ma er in compliance with the packaging method as agreed in the contract. Where there is no agreement between the par es on the packaging method or the agreement is unclear, if the packing method cannot be determined according to the provisions of Ar cle 510 of this Code, the subject ma er shall be packed in a general way, or, in the absence of a general way, in a manner su cient to protect the subject ma er and conducive to saving resources and protec ng the ecological environment. Ar cle 620 A er a buyer receives the subject ma er, he shall inspect it within the agreed period for inspec on. If there is no agreed period for inspec on, the buyer shall inspect it in a mely manner. Ar cle 621 Where the par es have agreed on a period for inspec on, the buyer shall, within the period for inspec on, no fy the seller of any inconformity of the subject ma er with the agreed quan ty or quality. If no ce is not given to the seller owing to the buyer’s indolence, the subject ma er is deemed to be in conformity with the agreed quan ty or quality. Where the par es have not agreed on a period for inspec on, the buyer shall no fy the seller of any inconformity of the subject ma er with the agreed quan ty or quality within a reasonable period of me tt ti tt ti ti ti ti ti ti ti ti ff ti tt tt ti tt ti tt ti ti ti ti ti tt ti fi tt ti tt tt ti tt tt fi fi tt ti ti tt tt tt ti ti ti ti tt tt ti ti ti ti ti ft tt ti ti ti tt tt tt ti ti ti ti ti ti ti ti ti ti ffi ti ti ti 68