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

Article 326, Electoral Law 2017

"Section 40

(3) Political parties shall be prohibited to:

     a. receive or give foreign donation by any form which is contrary to the laws and regulations;

     b. accept donations in the form of money, goods, or services from whichever side even without mentioning a clear identity;

     c. receive donations from individuals and/or companies/commercial enterprises exceeds the limits stipulated in the laws and regulations;

     d. request or receive funds from state-owned enterprises, business entities owned by the region, and village-owned enterprises or by other titles; or

     e. use fractions in the People's Representative Council, Regional Representative Council, Provincial Regional Representative Council, and District/City Regional Representative Council as a source of political party funding.

Source: Section 40 (3), Political Parties Law, 2008 

Campaign fund from other sources as mentioned in Article 325 paragraph (2) letter c is a donation classified as valid by law, free of prerequisites, and may come from individuals, corporations, and/or non-government legal bodies.