The Polish full-back could receive ban from club football in addition to his suspension from the international level
The 26-year-old was on loan at Polish outfit Zaglebie Lubin from Hertha Berlin during the matches under scrutiny. In June 2011 he was fined €25000 and given a 12-month suspended sentence, as well as a ban from all international matches until February 2012.
However, Artur Jedrych, head of a Polish disciplinary commission, revealed that Piszczek's punishment may extend further, and that the player might also be banned from competition at Dortmund.
"There is a good chance that Piszczek will miss the Bundesliga and Champions League. I don't imagine Fifa will ignore a penalty for corruption."
Dortmund have declined to comment on the issue but are in talks with the Polish FA to see if they can avoid the ban from being extended to club football.
Piszczek has made 18 appearances for Poland but his international future appears to be on the rocks following his involvement in what has become a humiliating scandal.