Mila ehf. and Siminn hf. (jointly constituting a single economic unit for the purposes of the market analysis) are designated as having significant market power in the fixed wholesale access market (copper).An unofficial English translation of Decision 5/2021 is available at: https://www.fjarskiptastofa.is/library?itemid=35432d1e-cabf-4dbc-ab4f-6c65b55e4534