Can a scientist choose any third party in kind contribution partner without having a selection by three offers or a call if the contract will be above 30.000 €?

A selection procedure regarding in-kind contributions by third parties is not required by the Grant Agreement. However, every beneficiary must respect its usual practise (i.e. its internal rules) and comply with the national public procurement law, if applicable. Regarding your question about existing laws, we are not quite sure what you mean. Zoom Kobe 1 Protro