Prescription during lis. Payment order by bill of exchange. Acquires the force of res judicata and, thus, the short-term prescription turns into twenty-year one (article 268 CC) only upon its notification for second time to the debtor and the lapse of deadline by par.2, article 633 or the final rejection of this opposition. Interruption of prescription through recognition of the debt on behalf of the debtor. It should result by the debtor and address to the lender and take place after the starting of the prescription time and before its completion.