The reliability certificate is an innovative tool of the National Debt Register. The idea of the certificate is to promote reliability regarding payments in trading and also to create a positive image of companies using it. It is a document issued to companies that have joined the Reliable Company programme - they use the services of the National Debt Register and do not appear in it as debtors.
National Debt Register (KRD) - is the first and largest credit information bureau in Poland acting under the "Act on the provision of business information" of 14 February 2003, Journal of Laws no. 50, item 424.