in default(having failed to fulfil an obligation: Under the terms of the agreement, he would be in default if he was declared bankrupt. Phrase Bank ⃝ The court decided that in default of payment, the offender was to be imprisoned. ⃝ The banks have decided that the company is in default on its loan agreements. TED Alexander Demidov)
fail to make a payment on due date(If the Publishers shall fail to make any of these payments on due date, they agree to pay the Proprietor interest ... on the sum due.4uzhoj)
