Bankrupt's certificate concept is a legal institution that allows a debtor to pay all his ordinary debts within a certain period of time, in accordance with his proposal approved by the qualified creditors and approved by the competent authorities and payable under the favorable conditions for himself. As an alternative to bankruptcy and liquidation, Bankrupt's certificate concept gives the debtor the opportunity to sur- vive. With the abolition of postponement of bankruptcy from our law, the importance of concordantity has increased and many employers and big firms have come to apply to concordat. Bankrupt's certificate concept is an important issue that should be considered when declared by the workers in workplaces and workers take the fate of their employment contracts made between the employer that the workers taken into con- sideration the vast majority of the working population in Turkey.