My bookmarksSign up free

Commission Delegated Regulation (EU) 2018/989 ANNEX IV

Commission Delegated Regulation (EU) 2018/989 ANNEX IV

ANNEX IVSupplementary provisions

ANNEX IV Annex IV to Delegated Regulation (EU) 2017/654 is amended as follows: (1) the following points 2.2.3.1 and 2.2.4 are inserted: ‘2.2.3.1. Notwithstanding point 2.2.3, in the case of engine (sub-)categories that are not subject to non-road transient test cycles for EU type-approval purposes, the base emission control strategy may identify when transient operating conditions occur and apply the corresponding emission control strategy. In this case, this emission control strategy shall be included in the overview of the base emission control strategy required by point 1.4 of Annex I to Implementing Regulation (EU) 2017/656 and in the confidential information on emission control strategy set out in Appendix 2 to that Annex. 2.2.4. The manufacturer shall demonstrate to the technical service at the time of the EU type-approval test that the operation of the base emission control strategy complies with the provisions of this section on the basis of the documentation referred to in point 2.6.’; (2) in point 2.6, the paragraph under the heading is deleted; (3) the following points 2.6.1 and 2.6.2 are inserted: ‘2.6.1. The manufacturer shall comply with the documentation requirements laid down in point 1.4 of Part A of Annex I to Implementing Regulation (EU) 2017/656 and Appendix 2 to that Annex. 2.6.2. The manufacturer shall ensure that all documents used for this purpose are marked with an identification number and date of issue. The manufacturer shall notify to the approval authority whenever the particulars recorded are changed. In this case, it shall issue, either a updated version of the documents concerned where the relevant pages are marked clearly showing the date of revision and the nature of the amendment, or alternatively, a new consolidated version accompanied by an index containing a detailed description and date of each amendment.’; (4) Appendix 1 is amended as follows: (a) point 2.2.1 is replaced by the following: ‘2.2.1. Monitoring for reagent level in the storage tank shall be conducted under all conditions where measurement is technically feasible (for instance, under all conditions when a liquid reagent is not frozen).’; (b) the following points 2.2.2 and 2.2.3 are inserted: ‘2.2.2. Reagent freeze protection shall apply at ambient temperatures at or below 266 K (– 7 °C). 2.2.3. All elements of the NO x control diagnostic system other than those listed in points 2.2.1 and 2.2.2 shall, at a minimum, be operational at the applicable control conditions set out in point 2.4 of this Annex for each engine category. The diagnostic system shall remain operational outside of this range where technically possible.’; (c) the following point 2.3.2.2.4 is inserted: ‘2.3.2.2.4. Evaluation of the design criteria may be performed in a cold chamber test cell using an entire non-road mobile machinery or parts representative of those to be installed on a non-road mobile machinery or based on field tests.’; (d) point 2.3.2.3 is replaced by the following: ‘2.3.2.3. Activation of the operator warning and inducement system for a non-heated system’; (e) the following points 2.3.2.3.1 and 2.3.2.3.2 are inserted: ‘2.3.2.3.1. The operator warning system described in points 4 to 4.9 shall be activated if no reagent dosing occurs at an ambient temperature ≤ 266 K (– 7 °C). 2.3.2.3.2. The severe inducement system as referred to in point 5.4 shall be activated if no reagent dosing occurs within a maximum of 70 minutes after engine start at an ambient temperature ≤ 266 K (– 7 °C).’; (f) points 2.3.3, 2.3.3.1 and 2.3.3.2 are deleted; (g) in point 5.2.1.1, the following point (ea) is inserted: ‘(ea) A description of the connection for, and method to read, the records referred to in point (e) shall be included in the information folder set out in Part A of Annex I to Implementing Regulation (EU) 2017/656;’; (h) point 9.5 is replaced by the following: ‘9.5. As an alternative to the monitoring requirements set out in point 9.2, the manufacturer may monitor for failures using a NO x sensor located in the exhaust system. In this case, (a) the NO x value at which the NCM shall be detected shall not exceed the lower of either the applicable NO x limit multiplied by 2,25 or the applicable NO x limit plus 1,5 g/kWh. For engine sub-categories with a combined HC and NO x limit, the applicable NO x limit value for the purpose of this point shall be the combined limit value for HC and NO x reduced by 0,19 g/kWh. (b) a single warning may be used, including, where messages are used, the statement “high NO x – root cause unknown”, (c) in point 9.4.1 the maximum number of engine operating hours between the activation of the operator warning system and the activation of the low-level inducement system shall be reduced to 10, (d) in point 9.4.2 the maximum number of engine operating hours between the activation of the operator warning system and the activation of the severe inducement system shall be reduced to 20.’; (i) points 10.3.1 to 10.3.3.1 are replaced by the following: 10.3.1.   The compliance of the warning system activation shall be demonstrated by performing two tests: lack of reagent, and one failure category identified in sections 7, 8 or 9. 10.3.2.   Selection of the failure to be tested among those referred to in sections 7, 8 or 9. 10.3.2.1.   The approval authority shall select one failure category. In the case that a failure is selected from points 7 or 9, the additional requirements set out in points 10.3.2.2 or 10.3.2.3 shall apply, respectively. 10.3.2.2.   For the purpose of demonstrating the activation of the warning system in case of a wrong reagent quality, a reagent shall be selected with a dilution of the active ingredient at least as dilute as that communicated by the manufacturer in accordance with the requirements set out in points 7 to 7.3.3. 10.3.2.3.   For the purpose of demonstrating the activation of the warning system in case of failures that may be attributed to tampering, and are defined in section 9 the selection shall be performed in accordance with the following requirements: 10.3.2.3.1. The manufacturer shall provide the approval authority with a list of such potential failures. 10.3.2.3.2. The failure to be considered in the test shall be selected by the approval authority from the list referred to in point 10.3.2.3.1. 10.3.3.   Demonstration 10.3.3.1.   For the purpose of this demonstration, a separate test shall be performed for the lack of reagent and the failure selected in accordance with points 10.3.2 to 10.3.2.3.2.’; (j) the following points 10.5 and 10.5.1 are inserted: ‘10.5.   Documentation of the demonstration 10.5.1.   A demonstration report shall document the demonstration of the NCD system. The report shall: (a) identify the failures examined; (b) describe the demonstration performed including the applicable test cycle; (c) confirm that the applicable warnings and inducements were activated as required by this regulation; and (d) be included in the information folder as set out in Part A of Annex I of Implementing Regulation (EU) 2017/656.’; (k) points 11.4.1.1 and 11.4.1.1.1 are replaced by the following: ‘11.4.1.1. To comply with the requirements of this Appendix, the system shall contain counters to record the number of hours during which the engine has been operated while the system has detected any of the following NCM: (a) an incorrect reagent quality; (b) an interruption of reagent dosing activity; (c) an impeded EGR valve; (d) a failure of the NCD system. 11.4.1.1.1. The manufacturer may use one or more counters for grouping the NCMs indicated in point 11.4.1.1.’; (l) the following points 13.4 and 13.4.1 are added: ‘13.4.   Documentation of the demonstration 13.4.1.   A demonstration report shall document the demonstration of the minimum acceptable reagent concentration. The report shall: (a) identify the failures examined; (b) describe the demonstration performed including the applicable test cycle; (c) confirm that the pollutant emissions arising from this demonstration did not exceed the NO x threshold specified in point 7.1.1; (d) be included in the information folder as set out in Part A of Annex I to Implementing Regulation (EU) 2017/656.’; (5) Appendix 2 is amended as follows: (a) points 2 to 4.5 are replaced by the following: ‘2.   General requirements The requirements of Appendix 1 apply to engines in scope of this Appendix, except as set out in points 3 and 4 of this Appendix. 3.   Exceptions to the requirements of Appendix 1 In order to account for safety concerns the operator inducement system set out in points 5 and 11.3 of Appendix 1 shall not apply to engines under the scope of this Appendix. The requirement to store data in an on-board computer log set out in point 4 of this Appendix shall apply wherever the inducement would have been activated in accordance with points 2.3.2.3.2, 6.3, 7.3, 8.4 and 9.4 of Appendix 1. 4.   Requirement for storing incidents of engine operation with inadequate reagent injection or reagent quality 4.1.   The on-board computer log must record in non-volatile computer memory or counters the total number and duration of all incidents of engine operation with inadequate reagent injection or reagent quality in a manner to ensure that the information cannot be intentionally deleted. 4.1.1.   It shall be possible for national inspection authorities to read these records with a scan tool. 4.1.2.   A description of the connection for, and method to read, these records shall be included in the information folder as set out in Part A of Annex I of Implementing Regulation (EU) 2017/656. 4.2.   The duration of an incident of inadequate reagent level recorded in the on-board computer log as specified in point 4.1, in place of an inducement in accordance with point 6.3 of Appendix 1, shall commence when the reagent tank becomes empty, that is, when the dosing system is unable to draw further reagent from the tank, or at any level below 2,5 % of its nominally full capacity at the discretion of the manufacturer. 4.3.   The duration of an incident recorded in the on-board computer log as specified in point 4.1, in place of the inducement specified in points 6.3, 7.3, 8.4 and 9.4 of Appendix 1, shall commence when the respective counter reaches the value for severe inducement in Table 4.4 of Appendix 1. 4.4.   The duration of an incident recorded in the on-board computer log as specified in point 4.1, in place of the inducement specified in point 2.3.2.3.2 of Appendix 1, shall commence when inducement would have commenced. 4.5.   The duration of an incident recorded in the on-board computer log as specified in point 4.1 shall end when the incident has been remedied.’; (b) the following point 4.6 is inserted: ‘4.6. When conducting a demonstration pursuant to section 10.4 of Appendix 1, the demonstration shall be conducted in accordance with the requirements applicable to demonstration of the severe inducement system, but the demonstration of severe inducement system shall be replaced by a demonstration of the storage of an incident of engine operation with inadequate reagent injection or reagent quality.’; (6) Appendix 4 is amended as follows: (a) point 2.2.1 is replaced by the following: ‘2.2.1. The PCD system shall, at a minimum, be operational at the applicable control conditions set out in point 2.4 of Annex IV for each engine category. The diagnostic system shall remain operational outside of this range where technically possible.’; (b) point 3.1 is replaced by the following: ‘3.1. The OEM shall provide to all end-users of new non-road mobile machinery written instructions about the emission control system and its correct operation as required in Annex XV.’; (c) the following point 5.4 is inserted: ‘5.4. A description of the connection for, and method to read, these records shall be included in the information folder as set out in Part A of Annex I of Implementing Regulation (EU) 2017/656.’; (d) point 9.2.1 is replaced by the following: ‘9.2.1. In the case where engines of an engine family belong to a PCD engine family that has already been EU type-approved, in accordance with point 2.3.6 (Figure 4.8), the compliance of that engine family is deemed to be demonstrated without further testing, provided the manufacturer demonstrates to the authority that the monitoring systems necessary for complying with the requirements of this Appendix are similar within the considered engine and PCD engine families. Figure 4.8 Previously demonstrated conformity of a PCD engine family PCD engine family 1 Engine family 2 Engine family 1 Conformity of PCD engine family 1 has been demonstrated for Engine family 2 Conformity of Engine family 1 is considered as demonstrated ’; (e) in point 9.3.3.6.2, point (a) is replaced by the following: ‘(a) the requested test-cycle results in a monitor that will run in real world operation conditions; and’; (f) the following points 9.3.6 and 9.3.6.1 are added: ‘9.3.6.   Documentation of the demonstration 9.3.6.1.   A demonstration report shall document the demonstration of the PCD system. The report shall: (a) identify the failures examined; (b) describe the demonstration performed including the applicable test cycle; (c) confirm that the applicable warnings were activated as required by this regulation; (d) be included in the information folder as set out in Part A of Annex I to Implementing Regulation (EU) 2017/656.’.

Read the full instrument →

Other provisions in Commission Delegated Regulation (EU) 2018/989

Compiled from an official source version. Later amendments or repeals may not be reflected; the official text prevails. · Read the official text ↗ · Data as of 2026-07-04

CitationANNEX IV of Commission Delegated Regulation (EU) 2018/989 (LawPlayer, data as of 2026-07-04)

© European Union, https://eur-lex.europa.eu, 1998-2026. Reuse authorised under Commission Decision 2011/833/EU, provided the source is acknowledged.

What to look at next