怎么找回备案密码？

1、首先打开工业和信息化部的ICP/IP地址/域名信息备案管理系统官网。

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2、在右下角可以看到“找回备案密码”按钮。

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3、单击此按钮，弹出窗口，选择主题所在省，单击“确定”。

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4、输入备案/许可证号（如何查询备案/许可证号）、证件类型、证件号码，然后单击”提交“。

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5、提交成功后，会看到如下提示页面，找回的备案密码会以邮件和手机短信的形式发送到主体负责人（法人）的手机和邮箱。

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可登入湖北荆州房屋合同备案号查询专网。

购房合同登记备案后会在合同上盖一个登记备案章，上面的号码即为合同登记备案号，填对姓名和身份证号码后，密码一般都是身份证号码后六位。

商品房合同备案初始密码都是身份证的后六位数。

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