41.—(1) This regulation applies to participants producing biogas from gasification or pyrolysis and generating heat from that biogas in an accredited RHI installation.
(2) Where, in accordance with regulation 31, a participant uses feedstock contaminated with fossil fuel, the periodic support payment calculated in accordance with regulation 38 or 39 shall be reduced pro rata to reflect the proportion of fossil fuel contamination in the feedstock used by the participant in the relevant quarterly period.