13. Is there a ban on donations from any other source?

Organic Law n° 10/2013 Governing Political Organizations and Politicians, 11 July 2013

Official Gazette nº 37 of 10/09/2018 

Art 25 "It is prohibited to a political organization or a politician to give or receive contributions, donations and bequests that are likely to undermine the independence and integrity of the Country."

"Article 24: Donations and bequests granted to political organisations and politicians (...)A political organisation or a politician are not allowed to receive donations and bequests granted by:  3º non-governmental organisations; 4º faith-based organisations; (...)”.