Over the past decade, Southern China has been at the forefront of the development and implementation of electricity market rules. Beginning in 2022 and continuing through July 2023, the South China Energy Regulatory Office of the National Energy Administration (国家能源局南方监管局), the China Southern Grid Dispatch Center (CSGDC, 中国南方电网电力调度控制中心) and the Guangzhou Power Exchange (广州电力交易中心有限责任公司) released a series of documents proposing a regional electricity market design for the China Southern Grid region. These Market Rules are an important first step in advancing a comprehensive regional electricity market for Southern China. This report provides insights into where clarity may be lacking in The Market Rules, addresses potential design issues and proposes steps to improve outcomes.