Proposal to:

1. Correct the description of a tyre to exclude aspects outside the scope of UN R108
2. Align the snow tyre definition to UN R109 and 172
3. Clarify the definition of nominal rim diameter
4. Clarify the definition of principal grooves by eliminating the circular reference between this definition and the position of tread wear indicators
5. Introduce a definition for tread depth (used in the requirements for special use and professional off-road tyres)
6. Amend para. 4.1.5.3.2. to remove the retreaded reference to traction tyre classification because it is not applicable to tyre of class C1
7. Clarify the calculation of the tyre section width
8. Replace “XXX” with the UN Regulation No. 172 in the references to the approval of retreaded tyres with regard to their snow performance and/or classification as traction tyre.

Proposal to:

1. Correct the description of a tyre to exclude aspects outside the scope of UN R109
2. Clarify the definition of nominal rim diameter
3. Clarify the definition of principal grooves in line with the proposal for UN R54
4. Amend para. 6.4.4.2. to clarify that the UN R117 certificate may be used for obtaining the type approval under UN R172 of retreaded tyres classified as traction tyre
5. Simplify the wording of the requirements for professional off-road tyres
6. Replace “XXX” with the UN Regulation No. 172 in the references to the approval of retreaded tyres with regard to their snow performance and/or classification as traction tyre.

Proposal to:

1. Correct the description of a tyre to exclude aspects outside the scope of UN R108
2. Align the snow tyre definition to UN R109 and 172
3. Clarify the definition of nominal rim diameter
4. Clarify the definition of principal grooves by eliminating the circular reference between this definition and the position of tread wear indicators
5. Introduce a definition for tread depth (used in the requirements for special use and professional off-road tyres)
6. Amend para. 4.1.5.3.2. to remove the retreaded reference to traction tyre classification because it is not applicable to tyre of class C1
7. Clarify the calculation of the tyre section width
8. Replace “XXX” with the UN Regulation No. 172 in the references to the approval of retreaded tyres with regard to their snow performance and/or classification as traction tyre.

Proposal to:

1. Correct the description of a tyre to exclude aspects outside the scope of UN R109
2. Clarify the definition of nominal rim diameter
3. Clarify the definition of principal grooves in line with the proposal for UN R54
4. Amend para. 6.4.4.2. to clarify that the UN R117 certificate may be used for obtaining the type approval under UN R172 of retreaded tyres classified as traction tyre
5. Simplify the wording of the requirements for professional off-road tyres
6. Replace “XXX” with the UN Regulation No. 172 in the references to the approval of retreaded tyres with regard to their snow performance and/or classification as traction tyre.

Proposal to:

1. Correct the description of a tyre to exclude aspects outside the scope of UN R108
2. Align the snow tyre definition to UN R109 and 172
3. Clarify the definition of nominal rim diameter
4. Clarify the definition of principal grooves by eliminating the circular reference between this definition and the position of tread wear indicators
5. Introduce a definition for tread depth (used in the requirements for special use and professional off-road tyres)
6. Amend para. 4.1.5.3.2. to remove the retreaded reference to traction tyre classification because it is not applicable to tyre of class C1
7. Clarify the calculation of the tyre section width
8. Replace “XXX” with the UN Regulation No. 172 in the references to the approval of retreaded tyres with regard to their snow performance and/or classification as traction tyre.

Proposal to:

1. Correct the description of a tyre to exclude aspects outside the scope of UN R109
2. Clarify the definition of nominal rim diameter
3. Clarify the definition of principal grooves in line with the proposal for UN R54
4. Amend para. 6.4.4.2. to clarify that the UN R117 certificate may be used for obtaining the type approval under UN R172 of retreaded tyres classified as traction tyre
5. Simplify the wording of the requirements for professional off-road tyres
6. Replace “XXX” with the UN Regulation No. 172 in the references to the approval of retreaded tyres with regard to their snow performance and/or classification as traction tyre.

Proposal to:

1. Correct the description of a tyre to exclude aspects outside the scope of UN R108
2. Align the snow tyre definition to UN R109 and 172
3. Clarify the definition of nominal rim diameter
4. Clarify the definition of principal grooves by eliminating the circular reference between this definition and the position of tread wear indicators
5. Introduce a definition for tread depth (used in the requirements for special use and professional off-road tyres)
6. Amend para. 4.1.5.3.2. to remove the retreaded reference to traction tyre classification because it is not applicable to tyre of class C1
7. Clarify the calculation of the tyre section width
8. Replace “XXX” with the UN Regulation No. 172 in the references to the approval of retreaded tyres with regard to their snow performance and/or classification as traction tyre.

Proposal to:

1. Correct the description of a tyre to exclude aspects outside the scope of UN R109
2. Clarify the definition of nominal rim diameter
3. Clarify the definition of principal grooves in line with the proposal for UN R54
4. Amend para. 6.4.4.2. to clarify that the UN R117 certificate may be used for obtaining the type approval under UN R172 of retreaded tyres classified as traction tyre
5. Simplify the wording of the requirements for professional off-road tyres
6. Replace “XXX” with the UN Regulation No. 172 in the references to the approval of retreaded tyres with regard to their snow performance and/or classification as traction tyre.