Interview with Ilda Matos, ANACOM's press officer, on the “Diário da Manhã” programme, on the “Economia 24” section in TVI and TVI24, on 31 July 2019, on wap billing services, information on the loyalty period in the detailed invoice and compensation for loss or delay of delivery of postal items.
https://tvi24.iol.pt/economia/economia-24/internet-so-alteracao-a-lei-pode-impedir-que-pague-por-servicos-que-nao-quer
