Note:

⁽¹⁾ The first reading is indicated by electronic particulate balance and checked visually. The second reading is obtained from automatic particulate measurement by a weighing device and particulate measurement program (PMP);

⁽²⁾ Emissions limit values for vehicles of category N1 class III apply to the vehicles designed to fulfil specific social needs as defined in 4.13 paragraph 4 Part I of this Regulation.”.

2. Amendments to sub-paragraph 2.7.1 of paragraph 2:

“2.7.1. A vehicle must be equipped with an OBD system which has:

2.7.1.1. A malfunction indicator (MI);

2.7.1.2. Ability to record and erase fault codes.”.

3. Adding sub-paragraph 2.9.3 to paragraph 2:

“2.9.3. For heavy reference mass vehicles with a compression ignition engine including vehicles of categories M1, M2, N1 and N2 with a reference mass not exceeding 4.500 kg, apply the test methods specified in sub-paragraph 3.2 paragraph 3 Part III of this Regulation or the test methods specified in sub-paragraph 3.3 paragraph 3 Part III of this Regulation in accordance with technical requirements corresponding to each test method specified in paragraph 2 Part II of this Regulation.”.

...

...

...

“3.2.1. When tested in the test described in sub-paragraph 3.3.2 paragraph 3 Part III of this Regulation, the average mass of CO, HC, NOx and PM from engine shall not exceed the limits mentioned in Tables 4 and 5 below. The values of such gaseous pollutants are rounded to three places to the right of the decimal point.

Table 4. Emissions limit values of each gaseous pollutant and particulate for ESC and ELR tests level 5

ESC

ELR

Mass (g/kWh)

Smoke

(m^-1)

CO

...

...

...

NO_x

PM

1,5

0,46

2,0

0,02

0,5

”.

...

...

...

“3.3.1. A vehicle must be equipped with an OBD system which has:

3.3.1.1. A malfunction indicator (MI);

3.3.1.2. Ability to record and erase fault codes; ability to erase fault codes according to the manufacturer's design.”.

Part III. Amendments to Part III of QCVN 109:2021/BGTVT

1. Amendments to sub-paragraphs 2.2.1, 2.2.2, 2.2.3 of paragraph 2:

“2.