 
 <prompt> For di article, "the latter" refer to wetin? Based on di previous question, write one context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: Three other efforts to improve regulation of international pesticide trade na di United Nations London Guidelines for the Exchange of Information on Chemicals in International Trade and di United Nations Codex Alimentarius Commission. Di first one dey try put procedures to make sure say before pesin fit buy or sell pesticide, dem go need to get consent from di other country. While di second one dey try create standard levels for how much pesticide residue fit dey among countries wey dey participate. Both of dem dey work on top say e dey voluntary. 