40 CFR 85.1411 - Labeling requirements.
(a) All retrofit/rebuild equipment certified pursuant to this subpart shall contain a label that shall be affixed to the rebuilt engine which states, “Certified to EPA Urban Bus Engine Rebuild Standards,” the model and serial number of the equipment, the particulate emissions certification level of the equipment, and the name of the equipment certifier or other party designated to determine the validity of warranty claims. The label containing the information must be made durable and readable for at least the in-use compliance period of the equipment.
(b) The package in which the certified retrofit/rebuild equipment is contained, or an insert as described in paragraph (c) of this section, must have the following information conspicuously placed thereon:
(2) A list of all of the parts and identification numbers for the parts included in the package;
(3) The instructions for proper installation of the equipment;
(4) A statement of the maintenance or replacement interval for which the retrofit/rebuild equipment is certified; and
(d) The information required by paragraphs (b)(2) and (c)(1) of this section may be provided in a catalog rather than on the package or on an insert, provided that access to the catalog is readily available to purchasers and installers of the equipment.
(e) When an equipment certifier desires to certify existing in-service stocks of its products, it may do so provided:
(2) An information sheet is made available to all parties selling the equipment.
(i) The information sheet shall be provided with all equipment sold as certified; and
(ii) The information sheet shall contain all of the information specified in paragraph (b) of this section.