Document ID: chunk:federal_register_of_legislation:F2023L00129:reg:10:p29
Version: federal_register_of_legislation:F2023L00129
Segment Type: reg
Provision Reference: reg 10 (pt 29/150)
Character Range: 795311–798104

registrations, the manufacturer may choose to apply the performance monitoring requirements set out in Appendix 8 to Annex 9B instead of the requirements of paragraph 2.3.2.1., if he can demonstrate with technical documentation that in case of deterioration there is a positive correlation between the loss of filtration efficiency and the loss of pressure drop ("delta pressure") across the DPF under the operating conditions of the engine specified in the test described in Appendix 8 to Annex 9B.

              2.4. Alternative approval

              2.4.1. If requested by the manufacturer, for vehicles of categories M2 and N1, for vehicles of categories M1 and N2 with a technically permissible maximum laden mass not exceeding 7.5 tonnes, and for vehicles of category M3 Class I, Class II and Classes A and B[30] with a permissible mass not exceeding 7.5 tonnes, compliance with the requirements of Annex 11 to the 07 series of amendments to UN Regulation No. 83 or compliance with the requirements of Annex C5 of UN Regulation No. 154 shall be considered equivalent to the compliance with this annex, according to the following equivalences.

              2.4.1.1. The OBD standard "Interim OBD threshold limits" in Table A11/3 of Annex 11 to the 07 series of amendments to Regulation No. 83 shall be considered as equivalent to the character A of the Table 1 of Annex 3 to this Regulation.

              2.4.1.2. The OBD standard "Preliminary OBD threshold limits" in Table A11/2 of Annex 11 to the 07 series of amendments to Regulation No. 83 shall be considered as equivalent to the character B of the Table 1 of Annex 3 to this Regulation.

              2.4.1.3. The OBD standard "Final OBD threshold limits" in Table A11/1 of Annex 11 to the 07 series of amendments to UN Regulation No. 83 shall be considered as equivalent to the characters C or D of the Table 1 of Annex 3 to this Regulation.

              2.4.1.4. The OBD standard "Final OBD threshold limits" in Table 4A of UN Regulation No. 154 shall be considered as equivalent to the character E of the Table 1 of Annex 3 to this Regulation.

       2.4.1.5. Special requirements for alternative approvals

              2.4.1.5.1. If such alternative approval is used, the information related to OBD systems in paragraph 3.2.12.2.7. of Part 2 of Annex 1 is replaced by the information of paragraph 3.2.12.2.7. of Annex 1 to the 07 series of amendments to UN Regulation No. 83 or by the information of paragraph 3.2.12.2.7. of Annex A1 to Regulation No. 154.

              2.4.1.5.2. The equivalences set out in paragraph 2.4.1. shall apply in the following manner:

              2.4.1.5.2.1. The OTL's and dates referred to in Table 1 of Annex 3 to this Regulation and relevant to the assigned character for which