THE Ministry of Information has called for companies which promote and print advertisements to register their businesses or face legal action. “Some companies have not registered or requested a licence, while others have done so,” said Ouk Prathna, chairman of public billboard committees and the ministry’s secretary of state. An announcement, issued Wednesday and signed by Ouk Prathna, requires all the companies to register by November 30. Ouk Prathna, said that all the companies which don’t comply will face the legal action from the ministry.