part_subject: "CONTROL OF EMISSIONS FROM NEW, LARGE NONROAD SPARK-IGNITION ENGINES"
subpart_code: "E"
subpart_subject: "Testing In-use Engines"
section_number: "1048.425"
section_subject: "What records must I keep?"
cfr_reference: "40 CFR 1048.425"
title_name: "Title 40"
title_subject: "Protection of Environment"
parts_covered: "Parts 1000 to 1059"
revised_date: "Revised as of July 1, 2017"
publication_date: "As of July 1, 2017"
contains_description: "Containing a codification of documents of general applicability and future effect"
publication_info: "Published by the Office of the Federal Register National Archives and Records Administration as a Special Edition of the Federal Register"
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(a)Organize and maintain your records as described in this section. We may review your records at any time.
(b)Keep paper records of your in-use testing for one full year after you complete all the testing required for an engine family in a model year. You may use any additional storage formats or media if you like.
(c)Keep a copy of the written reports described in § 1048.420.
(d)Keep any additional records related to the procurement process.