Court dismisses claim for return of overpayment where benefits satisfy social coexistence principles under Civil Code. Claimant cannot rely on abuse of right defense. Court upholds lower court ruling on social coexistence principles. Claimant cannot rely on abuse of right defense. Court upholds lower court ruling on social coexistence principles.

The Supreme Court dismissed the appellant's cassation appeal against a judgment ordering the return of excessive bonuses and premiums paid to a cooperative manager. The lower courts found that while the base salary lacked legal basis, the additional bonuses and premiums were quasi-alimentary in nature. The court ruled that returning these specific benefits would violate the principles of social coexistence, thereby preventing the claimant from invoking the abuse of right defense.