3. Is there a ban on corporate donations to political parties?

Art. 31, loi organique n° 29-11relative aux partis politiques,                      

http://www.sgg.gov.ma/Portals/0/lois/Loi_29-11_Fr.pdf?ver=udBqyqqMSUHXgxtDpGhmCw%3d%3d

The law does not specify any ban on corporate donations.