5. Is there a ban on donations from Trade Unions to political parties?

Political Organizations Law: article 31, d                                                    

"Artículo 31º.- Fuentes de financiamiento prohibidas
Las organizaciones políticas no pueden recibir aportes de ningún tipo provenientes de: (...)
d) Personas jurídicas nacionales sin fines de lucro.  (...)".                                  

 "Article 31.- Banned sources of funding                                                                   

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

d ) Legal persons with non lucrative purposes  (...)".         

National legal persons with non lucrative purposes are also banned.