The city considers the contract of cooperation with the investor to be void.

She seeks to implement "contracts of cooperation" if necessary goods like coffee are not produced in Europe.

JOVD has a contract of cooperation with People's Party for Freedom and Democracy (VVD).

In 2008 April, ExxonMobil signed a contract of cooperation of the extraction with US$75 million, and in case of successful co-work eith additional $150million.

Tilman Walterfang's company formed a contract of cooperation with the original Indonesian salvage company and as a result the cargo was not sold off piece by piece to collectors.