"If I was in Sanader's place I would insist that the commission be set up, because such effort to take the initiative off the agenda only reinforces suspicions," Pusic told the press on Thursday.
Asked if the HDZ and the Social Democrats (SDP), the strongest opposition party, were working on a coalition because they objected to the establishment of commissions of inquiry for officials, Pusic answered in the affirmative.
Asked how the disagreement with the SDP over the commissions would reflect on the possibility of an SDP-HNS coalition in the upcoming local elections, Pusic said that would be seen in the April polls.
"Political calculations won't stop us from persevering in efforts to try to bring at least some truth and transparency into Croatian politics."
The press asked Pusic why Sime Lucin of the SDP and Zlatko Kramaric and Ivo Banac of the Liberal Party had withdrawn their signatures from the proposal to set up the commission of inquiry for Sanader and Zuzul, for which reason, namely the lack of sufficient signatures, the proposal was taken off Parliament's agenda.
Pusic said Lucin had withdrawn his signature due to party discipline and the other two probably due to pressure.
"I don't know where the pressure came from, but the fact that they signed a document and then withdrew their signatures at the session says enough, because a signature is a question of legitimacy and one's integrity."