Regulation 10 of the Competition Regulations provides the the Uganda Communication Commission shall periodically designate a dominant firm on the basis of the outlined guidelines. However no such designation has been done.The regulation is not publicly accessible. Answer was provided on the basis of a copy provided by Uganda Authorities.MTN Uganda has held a National Telecom Operator licence since 1998 https://uccinfo.blog/2020/07/10/mtn-uganda-gets-license-extension-of-12-years-after-mtn-uganda-substantially-complied-with-its-financial-technical-and-legal-obligations/ MTN Uganda also has the highest number of subscribers in mobile https://www.statista.com/statistics/671666/mobile-subscription-share-in-uganda-by-operator/  