This document provides a regulatory framework for mobile virtual network operators (MVNOs) in Malaysia. It defines MVNOs and outlines four business models for MVNOs - full MVNO, enhanced service provider, enhanced reseller, and reseller. It discusses proposals from Telekom Malaysia and UMTS to provide airtime capacity to MVNOs. The document also covers licensing requirements, numbering allocation, and the MCMC's limited regulatory intervention approach to ensure MVNO sustainability and competitiveness.