Party a shall not make any change without the written approval from Part B.

甲方未经乙方书面同意，不得擅自作出任何变化。

youdao

If so, you will need to get their written approval to use an alternate format.

如果是这样，你只有征得他们的书面同意，才能采用其它格式。

youdao

A copy of written approval from the management authority of the venue.

活动 地点的管理机构明确批准。

youdao

A copy of written approval from the management authority of the venue.

活动 地点的管理机构明确批准。

youdao