两者之间的合作基于一份书面协定。在这份协定上，有臭名昭著的苏联秘密警察头子(NKVD，苏联内务人民委员会)贝利亚完整的签名，片中有过展示。

Cooperation was based on a written agreement-complete with the signature of Lavrenty Beria, head of the notorious nkvd-which is shown in the film.

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缔约任何一方可提前六个月以书面通知缔约另一方终止本协定。

The Agreement shall remain in force indefinitely, but may be terminated by either Contracting State by giving six months prior notice in writing to the other Contracting State.

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对本协定的任何修改均要采取书面形式作为先决条件，修改后的条款各方都必须要遵守和实行。

Any and all modifications of this Agreement shall be made in writing and must be executed by all parties as a condition precedent to implementation of such a modification.

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