求翻译：签订本合同后，甲方不得擅自变更该房屋的建筑设计（见附件二），确需变更的应当征得乙方书面同意并报规划管理部门审核批准，在获得批准之日起30天内与乙方签订本合同变更协议。是什么意思？

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After entering into this Contract, Party A shall not be arbitrarily changed the housing of architectural design (see annex 2) and should be modified, must be conducted with the consent, Party B written consent and approval planning management departments, the approval is given within 30 days of the

After signs this contract, the party of the first part does not have to change this house the architectural design (to see appendix arbitrarily two), must change firmly must win the second party written approval and the newspaper plan control section verifies the authorization, in obtains in authori

After entering into this contract, party a will be allowed to change the architectural design of the housing (see annex II), really necessary changes should be written consent and the consent of the party planning management departments approved approved within 30 days from the date of the contracts

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