10. Is there a ban on donations from corporations with government contracts to candidates?

§ 5 of the Law on election Campaigns in the Slovak Reublic. Financing the Election Campaign for the President and Independent Candidates of the Slovak Republic’s Election.
Financing the Election Campaign for the Presidentof the Slovak Republic’s Election

Presidential and independent candidates may not accept a donation or any other gratuitous service for the election campaign from:
c) a legal person with the capital participation of the state, the National Property Fund of the Slovak Republic, the Slovak Land Fund, a municipality, or a superior territorial unit.