Regulation 13 Payment of credit notesI1

each electricity supplier issued with a credit note for a penalty residual supplier amount, by no later than F1the end of the F233rd working day after the end of the delivery year to which the payment relates; and

each electricity supplier issued with a credit note under regulation 9 (settlement costs levy) or regulation 10 (settlement costs levy refund), as soon as reasonably practicable after the credit note is issued.