Paragraph 5 F1 The certification scheme must provide assurance of the supply chain of the woodfuel. Annotations Textual amendments F1 Sch. 4A inserted (1.4.2022) by The Domestic Renewable Heat Incentive Scheme and Renewable Heat Incentive Scheme (Amendment) Regulations 2021 (S.I. 2021/76), regs. 1(3)(b), 39 ← Paragraph 4A Paragraph 5 Paragraph 6 →