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

Lei dos partidos politicos nr 9,096, 1995

Article 31. A political party may not receive contributions, monetary aid or any form of aid with value in currency, be it directly or indirectly or in any form or guise, including through advertising of any kind, if such contributions or aid originate from: Lei 9,504/1997, Article 24: donations forbidden for parties and candidates for election campaigns. (...) III - self-regulated public bodies, public companies or utilities, joint stock companies and foundations established in law and whose resources include funds from governmental bodies or agencies.