1.Without prejudice to any specific provisions deriving from the application of sector-specific regulations, any amount receivable not repaid on the deadline referred to in Article 80(3)(b) shall bear interest in accordance with paragraphs 2 and 3 of this Article.
2.The interest rate for amounts receivable not repaid on the deadline referred to in Article 80(3)(b) shall be the rate applied by the European Central Bank to its principal refinancing operations, as published in the C series of the Official Journal of the European Union, in force on the first calendar day of the month in which the deadline falls, increased by:
(a)eight percentage points where the obligating event is a public supply and service contract referred to in Title V;
(b)three and a half percentage points in all other cases.
3.Interest shall be calculated from the calendar day following the deadline referred to in Article 80(3)(b) and specified in the debit note up to the calendar day on which the debt is repaid in full.
The recovery order corresponding to the amount of the default interest shall be issued when this interest is actually received.
4.In the case of fines, where the debtor provides a financial guarantee which is accepted by the accounting officer instead of payment, the interest rate applicable from the deadline referred to in Article 80(3)(b) shall be the rate referred to in paragraph 2 of this Article as in force on the first day of the month in which the decision imposing a fine has been adopted and increased only by one and a half percentage points.