31. Reaffirms the importance of the United Nations Office on Drugs and Crime and its regional offices in building capacity at the local level in the fight against transnational organized crime and drug trafficking, and urges the Office to consider regional vulnerabilities, projects and impact in the fight against drug trafficking, in particular in developing countries, when deciding to close and allocate offices, with a view to maintaining an effective level of support to national and regional efforts in combating the world drug problem;
31. 重申联合国毒品和犯罪问题办事处及其各区域办事机构必须建设地方一级打击跨国有组织犯罪和毒品贩运的能力，并敦促办事处在决定关闭或开设办事机构时，考虑各区域，特别是发展中国家在打击毒品贩运方面的弱点、项目和影响，以期继续有效支持各国和各区域努力解决世界毒品问题；