9. Is there a ban on donations from corporations with government contracts to political parties?
Japan
Art 22.3, Companies and corporations that receive subsidies or capital investments from the national or local authorities shall not contribute political funds [description, not direct quote] (Source: Political Funds Control Act, 1948 (as amended by Act No. 135 of 2007))
Art 199, And a person with government contracts shall not contribute political funds in relation to an election [description, not direct quote] (Source: Public Offices Election Act, 1950 (as amended by Act No. 35 of 2011))
Only in relation to an election.