These clauses tend to express the idea that assignment may only be refused for cause, which may imply that refusal should also be motivated and is subject to review by courts or arbitrators on the basis of notions of reasonableness or good faith. This approach offers flexibility but, on the other hand, increases risks of disputes over the question whether the refusal to consent to assignment was proper, which may lead to court inter-vention (including provisional measures) and review. Thus, some clauses make attempts to replace an open-ended approach by stricter criteria. Financial responsibility and capability have already been mentioned (see Section N.H.3) as an example ofsuch an objective and more specific stan dard. More examples have been found in assignment clauses: