11. Is there a ban on donations from corporations with partial government ownership to political parties?

Political Organizations Law: article 31, a

"Artículo 31º.- Fuentes de financiamiento prohibidas

Las organizaciones políticas no pueden recibir aportes de ningún tipo provenientes de:

a) Cualquier entidad de derecho público o empresa de propiedad del Estado o con participación de este".

"Article 31.- Banned sources of funding                                                                

Political organizations cannot receive contributions of any type with origin of: (...) 

a) Any public entity or corporation with public ownership or with public participation"

Any corporation with public ownership or with public participation is banned from contributions to political parties.