10U.K.Prohibiting the addition to oil of any substance, not being a prescribed marker, which is calculated to impede the identification of a prescribed marker.
Modifications etc. (not altering text)
C1Sch. 4 paras. 8-10 modified by S.I. 2004/2065, reg. 3(1A)(b) (as inserted (1.4.2008) by The Hydrocarbon Oil, Biofuels and Other Fuel Substitutes (Determination of Composition of a Substance and Miscellaneous Amendments) Regulations 2008 (S.I. 2008/753), regs. 1(2), 8(2)(a))
C2Sch. 4 paras. 8-10 modified by S.I. 2004/2065, reg. 3(2A)(c) (as inserted (1.4.2008) by The Hydrocarbon Oil, Biofuels and Other Fuel Substitutes (Determination of Composition of a Substance and Miscellaneous Amendments) Regulations 2008 (S.I. 2008/753), regs. 1(2), 8(2)(d))