Pakistan's embattled Prime Minister Yousuf Raza Gilani on Wednesday, April 25 vowed to appear in person to face the verdict in a contempt of court case that could see him jailed and thrown out of office, AFP reported.

The Supreme Court will rule on Thursday whether Gilani is guilty of contempt for refusing to write to the authorities in Switzerland to ask them to re-open corruption cases against President Asif Ali Zardari.

The charges carry a maximum jail sentence of six months and conviction could lead to Gilani being disqualified from office.

"I will appear before the court tomorrow," the PM told a cabinet meeting in Islamabad on Wednesday.

"We are satisfied with the input given by our lawyers and we are also satisfied with the input by the Attorney General."

He did not say whether he would quit if he is convicted.

The Swiss shelved the cases against Zardari in 2008 when he became president and a prosecutor in Switzerland has said it will be impossible to re-open them as long as he remains head of state and is immune from prosecution.

Gilani insists that Zardari has full immunity. But in December 2009 Pakistan's Supreme Court overturned a two-year political amnesty that had frozen investigations into Zardari and other politicians.

Zardari and his late wife, former premier Benazir Bhutto, were suspected of using Swiss accounts to launder about $12 million allegedly paid in bribes by companies seeking customs inspection contracts in the 1990s.