Glossary entry (derived from question below)
Russian term or phrase:
взаимное волеизъявление
English translation:
declaration of mutual intention
Russian term
Native in: Russian 
Works in: English to Russian, Russian to English, German to Russian, and 2 more.
взаимное волеизъявление
Контекст: В соответствии с настоящим соглашением и взаимным волеизъявлением Сторон, пункт 2.5. договора № 2 от «20» апреля 2013г. дополнить следующими подпунктами:
| 3 +5 | declaration of mutual intention |
Anna Isaeva
|
| 3 +2 | mutual intent |
Sam Pinson
|
| 4 | mutual volition |
Pham Xuan Thanh
|
| 4 | mutual agreement |
Borys Sydiuk
|
| 3 | mutual declaration of intent |
Andriy Yasharov
|
Jan 15, 2015 19:21: Anna Isaeva Created KOG entry
Proposed translations
Russian Federation
25 years of professional translation
Native in: Russian 
Works in: English to Russian, Russian to English
declaration of mutual intention
Ukraine
Life Sciences Translator and Editor
Native in: Russian (Variant: Standard-Russia) , Ukrainian (Variant: Standard-Ukraine)
Works in: English to Russian, English to Ukrainian, Russian to English, and 4 more.
mutual declaration of intent
experienced VIE↔EN←RUS Translator/Editor
Native in: Vietnamese (Variant: Standard-Vietnam)
Works in: English to Vietnamese, Vietnamese to English, Russian to English, and 1 more.
mutual volition
the capability of conscious choice and decision and intention
"mutual volition" image example:
http://www.netdeva.com/lisalindberg/learning/proposal-summar...
Ukraine
When Science Meets Fiction
Native in: Russian (Variant: Standard-Russia) , Ukrainian (Variant: Standard-Ukraine)
Works in: English to Russian, English to Ukrainian, Ukrainian to English, and 1 more.
mutual agreement
United States
ATA and SDL Trados Certified, IT, legal
Native in: English (Variant: US)
Works in: Russian to English
mutual intent
Not a huge difference, but I wouldn't insert "declaration of"
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