A/RES/53/192 Page 8 46. Requests the Secretary-General and the United Nations development system to take all measures to ensure gender balance when making appointments, including at the senior level and in the field, in accordance with relevant General Assembly resolutions; 47. Stresses the need for gender mainstreaming in operational activities of the United Nations system in all fields, in particular in support of poverty eradication; 3. National execution 48. Decides that the United Nations system should use, to the fullest extent possible and practicable, available national expertise and indigenous technologies in the implementation of operational activities; 49. Calls upon all funds and programmes to consider ways to increase, within existing rules and regulations, the procurement of goods and services from developing countries, both as a mechanism to promote South-South cooperation and for enhancing national execution; 50. Calls for further work on the development of common guidelines at the field level for the recruitment, training and remuneration of national project personnel, including national consultants, in the formulation and implementation of development projects and programmes supported by the United Nations development system, in order to enhance the coherence of the system; 51. Requests the organizations and bodies of the United Nations system to continue to work on promoting, improving and expanding national execution, including through the simplification and strengthening of relevant procedures, so as to contribute to the advancement of national ownership and to enhance the absorptive capacity in developing countries, in particular in the least developed countries in Africa; III Monitoring and evaluation 52. Recognizes that the monitoring and evaluation process of operational activities, including joint evaluations, should be impartial and independent, under the overall leadership of the Government; 53. Takes note of the report on pilot evaluation conducted on the impact of operational activities and the need to continue these evaluations with the full and effective involvement of the recipient Government concerned in the process of such evaluation; 54. Emphasizes the importance of disseminating the experience of effective and efficient cooperation within the United Nations development system; 55. Underlines the importance of promoting, under the leadership of Governments, greater collaboration on issues relating to evaluation among recipient Governments, the United Nations development system, in particular the members of the United Nations Development Group, and relevant development partners at the country level; /...