TITLE 40 - PROTECTION OF ENVIRONMENT

CHAPTER I - ENVIRONMENTAL PROTECTION AGENCY

SUBCHAPTER C - AIR PROGRAMS

PART 85 - CONTROL OF AIR POLLUTION FROM MOBILE SOURCES

subpart x - DETERMINATION OF MODEL YEAR FOR MOTOR VEHICLES AND ENGINES USED IN MOTOR VEHICLES UNDER SECTION 177 AND PART A OF TITLE II OF THE CLEAN AIR ACT

85.2302 - Definition of model year.

Model year means the manufacturer's annual production period (as determined under 85.2304) which includes January 1 of such calendar year, provided, that if the manufacturer has no annual production period, the term model year shall mean the calendar year.