12. Is there a ban on donations from corporations with partial government ownership to candidates?
Japan
P 46f, "Various restrictions are imposed on contributions concerning elections or other political activities for the purpose of maintaining a clean election system and fair government. (1) Ban on Contributions by Those Closely Connected with the National or Local Authorities Contributions concerning elections or other political activities by the following persons, etc., are prohibited: a) Persons having a special relationship with the national, or local authorities in terms of contracts or other matters (Only contributions made in connection with elections are banned.) (Art. 199 par.1) b) Companies and corporations which receive subsidies from the national or local authorities (Art. 22-3 pars. 1 and 4 of the Political Funds Control Law) c) Companies and corporations which receive capital or contributions from the national or local authorities (Art. 22-3 pars. 2 and 4 of the Political Funds Control Law) d) Companies and corporations furnished with a loan, the lender of which receives subsidies for interest payments regarding to the loan from the national or local authorities (Art. 199 par. 2 of the Election Law)"(Source: Free Choice Foundation (2007) Election System in Japan)
All corporate donations banned