The Advisory Committee on Administrative and Budgetary Questions (ACABQ) is a subsidiary of the General Assembly responsible for "expert examination of the programme budget of the United Nations" and assists the Fifth Committee.
The Committee on Contributions advises the General Assembly on the apportionment of the expenses of the organization among the Member States according to their capacity to pay.
The UN Board of Auditors audits the accounts of the UN and its funds and programmes.
NOTE: In the past the Report of the Board of Auditors for the United Nations was issued every other year following the completion of the biennium. Beginning with the 70th session, the Financial Statements and Report of the Board of Auditors covers one year.
The International Law Commission is an expert body, composed of "persons of recognized competence in international law", that works on the progressive development and codification of international law.
UN Administrative Tribunal
Symbol changed in 1951 to AT/
https://research.un.org/en/docs/law/courts#s-lg-box-wrapper-2199806
UN Staff Pension Committee
UN. Peace Observation Commission
UN. Investments Committee
The UN Commission on International Trade Law works to further the progressive harmonization and unification of the law of international trade. Its 60 members are elected by the General Assembly.
General Assembly resolution S-10/2 of 30 June 1978, the final document of the first special session on disarmament, established four bodies including:
UN. Intergovernmental Committee on Science and Technology for Development