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第四百九十二条 承诺生效的地点为合同成立的地点。
Article 492
The place where an acceptance becomes effective is the place where the contract
is formed.
采用数据电文形式订立合同的，收件人的主营业地为合同成立的地点；没有主营业地的，其住所地为合同成立的地点。当事人另有约定的，按照其约定。
Where a contract is concluded in the form of data message, unless otherwise
agreed by the parties, the recipient’s principal place of business is the place
where the contract is formed; in the absence of a principal place of business,
the recipient’s domicile is the place where the contract is formed.
第四百九十三条 当事人采用合同书形式订立合同的，最后签名、盖章或者按指印的地点为合同成立的地点，但是当事人另有约定的除外。
Article 493
Where the parties conclude a contract in the form of a written agreement, unless
otherwise agreed by them, the place where the written agreement is finally
signed, stamped, or fingerprinted is the place where the contract is formed.
第四百九十四条 国家根据抢险救灾、疫情防控或者其他需要下达国家订货任务、指令性任务的，有关民事主体之间应当依照有关法律、行政法规规定的权利和义务订立合同。
Article 494
Where the State issues a State purchase order or a mandatory assignment in
accordance with the needs such as emergency and disaster relief, pandemic
prevention and control, or the like, the persons of the civil law concerned
shall conclude a contract in accordance with the rights and obligations provided
by the relevant laws and administrative regulations.
依照法律、行政法规的规定负有发出要约义务的当事人，应当及时发出合理的要约。
A party that has an obligation to make an offer in accordance with the
provisions of laws and administrative regulations shall make a reasonable offer
in a timely manner.
依照法律、行政法规的规定负有作出承诺义务的当事人，不得拒绝对方合理的订立合同要求。
A party that has an obligation to make an acceptance in accordance with the
provisions of laws and administrative regulations may not reject the reasonable
request of the other party to conclude a contract.
第四百九十五条 当事人约定在将来一定期限内订立合同的认购书、订购书、预订书等，构成预约合同。
Article 495
A letter of subscription, letter of order, letter of reservation, or the like,
in which the parties agree to conclude a contract within a certain period of
time in the future, constitutes a preliminary contract.
当事人一方不履行预约合同约定的订立合同义务的，对方可以请求其承担预约合同的违约责任。
Where one of the parties fails to perform the obligation to conclude a contract
agreed in the preliminary contract, the other party may request such party to
bear the liability for breach of the preliminary contract.
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