Competition agencies and sector regulators have a common objective of promoting healthier economic governance through pro-competitive regulation. The sector regulators look into the issues ex-ante, whereas the competition authority deals with ex-post issues. Despite a common goal, these bodies have different legislative mandates and perspectives for competition issues, and ambiguities. Thus, securing a clear delineation of roles and responsibilities is a growing challenge for most countries dealing with overlap conflicts. This Briefing Paper has been drawn up from a research study done by CUTS to help the busy reader