Kuwait Court of Cassation principle number 3210

What is meant by entitlement in unjust enrichment is not the recipient's entitlement to the thing itself, but entitlement to receive it. - The criterion for lack of entitlement in unjust enrichment is to consider it from the recipient's perspective, not the payer's. - Receipt of what is not due is sufficient, as a general rule, to impose on the recipient the obligation of restitution. The basis for this.