§ 86.104 Section numbering; construction.
(a) The model year of initial applicability is indicated by the section number. The two digits following the hyphen designate the first model year for which a section is effective. A section remains effective until superseded.
applies to the 1978 and subsequent model years until superseded. If a § 86.111-81
is promulgated it would take effect beginning with the 1981 model year; § 86.111-78
would apply to model years 1978 through 1980.
(b) A section reference without a model year suffix refers to the section applicable for the appropriate model year.
(c) Unless indicated otherwise, all provisions in this subpart apply to petroleum-fueled, natural gas-fueled, liquefied petroleum gas-fueled and methanol-fueled vehicles.