Выражение встречается в следующем контексте:
Each Cooperation Element and the relevant Parameters will be documented in an Engagement and Feedback Sheet which will have to be signed off by representatives of each party as notified by either party to the other in accordance to Clause XXX prior to commencing any Cooperation Element. A model template of the Engagement and Feedback Sheet is attached hereto

Документ об обязательствах и обратной связи??? Как-то кривовато...

Заранее спасибо