Relegated Parma insist there's been no offers for the club.
Parma enterer administration earlier this season.
"At 12pm today, May 18 2015, no binding offer for the purchase of Parma has been delivered to the notary Giulio Almansi," read a club statement.
"The new deadline for the submission of offers is set for May 22."
The club is up for sale for 8.4m.