They were ordered to appear in Madrid's Audiencia National (high court) on Thursday morning for questioning. It was as yet unknown why their hearings were adjourned by the court, which deals with cases involving lawmakers.
Former ministers who have been jailed are deputy vice president Oriol Junqueras, interior minister Joaquim Forn, justice minister Carles Mundo and foreign affairs minister Raul Romeva.
The case stems from the Catalan parliament's declaration of the region's independence from Spain on October 27.
They made a decision to stay put in Belgium, slamming in a statement a "political trial dictated by the Spanish government".
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Puigdemont and four others fled to Belguim after the three day ultimatum to pay a deposit of €6.2m ($7.2m) to cover potential liabilities which was stated in the court summons, expired.
Mr Puigdemont and several ousted Cabinet members remain in Brussels, where he said they are seeking "safety and freedom" while judges back in Spain investigate them for pushing Catalan secession.
Forcadell is a former leader of the National Catalan Assembly, which has always been the driving civic group force behind the region's independence drive.
"This is a political trial", said Mr Puigdemont, who is now in Belgium.
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A High Court source said the arrest warrant for Puigdemont, who is in Belgium, would "most likely" be issued on Friday.
The former Catalan ministers have been accused of sedition, rebellion and misusing public funds.
Twenty regional politicians, including sacked regional government president Carles Puigdemont, were called to appear Thursday after the chief prosecutor demanded charges of rebellion, sedition and embezzlement be pressed.
The group summoned includes his 13-member former Cabinet and six parliamentary board members.
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She said the defendants, who could face jail sentences of up to 50 years, must be held in custody because they were a flight risk and could destroy evidence.