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CFR > Title 49 - Transportation > SUBTITLE B—Other Regulations Relating to Transportation > CHAPTER V—NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (Parts 501–599) > PART 585—PHASE-IN REPORTING REQUIREMENTS > SUBPART G—Tire Pressure Monitoring System Phase-in Reporting Requirements (§585.61 to §585.68) > 585.64—Definitions.
585.64—Definitions.
Production year means the 12-month period between September 1 of one year and August 31 of the following year, inclusive.