Proposal based upon informal document GRRF-76-45 to clarify provisions on the use of Combined Braking Systems (CBS) and make some additional editorial improvements.

Proposal to clarify the provision for permissible deactivation of ABS systems under the proposal to clarify the use of Combined Braking Systems (CBS) under UN R78.

Proposal based upon informal document GRRF-76-45 to clarify provisions on the use of Combined Braking Systems (CBS) and make some additional editorial improvements.

Proposal to clarify the provision for permissible deactivation of ABS systems under the proposal to clarify the use of Combined Braking Systems (CBS) under UN R78.

Proposal based upon informal document GRRF-76-45 to clarify provisions on the use of Combined Braking Systems (CBS) and make some additional editorial improvements.

Proposal to clarify the provision for permissible deactivation of ABS systems under the proposal to clarify the use of Combined Braking Systems (CBS) under UN R78.