50. WP.29 supported the proposal of GRPE to consult the Office of Legal Affairs in New York on legal matters in the implementation strategy of UN GTR No. 15 into a UN Regulation annexed to the 1958 Agreement.

48. The Chair of GRPE (Netherlands) reported to WP.29 on the results achieved by GRPE during its seventy-sixth session (for more details see the report of the session ECE/TRANS/WP.29/GRPE/76).

49. WP.29 deferred discussions on the necessity to harmonize requirements on Real Driving Emissions and whether activities should start under the umbrella of the 1998 Agreement to AC.3 (see paras. 159-164).

51. WP.29 discussed the necessity to harmonize the testing requirements for the determination of Heavy Duty vehicle fuel economy and whether activities should start under the umbrella of the 1958 or 1998 Agreement. WP.29 requested GRPE to further develop the topic.