SCHEDULES
F1Schedule 16 Supplementary Petroleum Duty
Payment
9
Subject to paragraphs 7 and 8 above, the duty charged in an assessment made on a participator for any chargeable period, so far as not paid under paragraphs 10 and 11 below, shall be payable by him four months after the end of that chargeable period or, if later, thirty daYs after the date of issue of the notice of assessment.