本合同于双方授权代表签字并加盖公章之日起生效。

The contract was signed by authorized representatives of both parties and the date stamp.

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报名方法，有意参加竞赛的设计单位必须在报名截止时间前将填好的报名文件(签字并加盖公章)传真、送达或邮寄至竞赛组织机构。

Registration: Interested design firm must fax, deliver or mail the duly filled registration documents (with signature and official stamp) to the Organizing Agent before the registration deadline.

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本合同经双方授权代表签字并加盖双方公章后生效。

This agreement is signed and sealed by the authorized representatives of the two parties.

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