15.4 凡没有根据本须知第15.1和15.3条的规定随附投标保证金的投标，应按本须知第24条的规定视为非响应性投标予以拒绝。Tenders to which a tender bond is not attached according to Clause 15.1 and 15.3 of the Notice shall be rejected as non-responsive tenders according to Clause 24 of the Notice.
15.5 未中标的投标人的投标保证金，将尽速并不晚于按照本须知第16条规定的投标有效期满后三十(30)天原额退还投标人。Tender bonds of tenderers who fail in the tender will be returned to tenders in full amount as soon as possible and no later than thirty (30) days after the expiration of the valid period of the tender as provided in Clause 16 of the Notice.
15.6 中标人的投标保证金，在中标人按本须知第34条规定签订合同并按本须知第35条规定交纳了履约保证金后予以退还。The tender bond of the successful tenderer will be returned after the tenderer signs the Contract according to Clause 34 of the Notice and submits the performance bond according to Clause 35 of the Notice.
15.7 下列任何情况发生时，投标保证金将被没收：Tender bond will be confiscated in case:
1)投标人在招标文件中规定的投标有效期内撤回其投标；或Tenderers withdraw their tenders with
liuxuepaper.comin the valid period of the tender as provided in the tender invitation documents;
2)中标人在规定期限内未能根据本须知第34条规定签订合同；或The successful tenderer fails to sign the Contract within the prescribed period according to Clause 34 of the Notice; or
3)中标人在规定期限内未能根据按投标人须知第35条规定提交履约保证金。The successful tenderer fails to submit the performance bond within the prescribed period according to Clause 35 of the Notice.
5. 投标有效期Valid period of tender
16.1 根据本须知第19条规定，投标应在规定的开标日后的180天内保持有效。投标有效期不满足要求的投标将被视为非响应性投标而予以拒绝。According to Clause 19 of the Notice, a tender remains valid within the 180 days after the prescribed tender opening date. Tenders with an ineligible valid period shall be rejected as non-responsive tenders.
1． 因买方的便利而终止合同Termination of Contract for Buyer’s Convenience
31.1 买方可在任何时候出于自身的便利向