This Order amends the Capital Allowances (Environmentally Beneficial Plant and Machinery) Order 2003 (S.I. 2003/2076, as amended; the “principal Order”). The principal Order implemented legislation to introduce a scheme for 100% first-year allowances to encourage businesses to invest in environmentally beneficial plant and machinery (as defined by section 45H of the Capital Allowances Act 2001 (c. 2)).