These Regulations, which apply to Great Britain, amend the Renewable Heat Incentive Scheme Regulations 2011 (S.I. 2011/2860) as amended (“the principal regulations”). By regulation 22 of the Renewable Heat Incentive Scheme (Amendment) Regulations 2015 (S.I. 2015/197), which came into force on 12th February 2015, a new regulation 42 (periodic support payments to producers of biomethane) was substituted in the principal regulations.