Article 42 F1
United Kingdom
Further time for payment may be granted by the accounting officer, in liaison with the authorising officer responsible, only on written request, with due indication of the reasons, provided that the debtor undertakes to pay interest for the entire period of time allowed, starting from the date set in the debit note and that, in order to safeguard the rights of the agency, he provides a financial guarantee covering both the principal sum and the interest.