Mr. Merentes was scheduled to be sworn in to his new role on Monday night.
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Mr Pena Nieto is due to be sworn in on 1 December for a six-year term.
But he chose to be sworn in with his hand on a book of U.S. laws.
The timing of the vote was crucial, as a new Congress is set to be sworn in Thursday.
To be sworn in: Chief Executive Tung Chee Hwa, his Executive Council, principal officials, the judiciary and legislators.
Mr Burris flew to Washington, DC, on Monday, saying that he was still hoping to be sworn in.
Chavez was unable to be sworn in two weeks ago for a new term because of his health.
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Mr Karzai is due to be sworn in on November 19th, with several Western foreign ministers in attendance.
Israel's new members of parliament are scheduled to be sworn in next week.
Mr Kenyatta and his running mate, William Ruto, are expected to be sworn in as president and vice-president on 9 April.
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She is to be sworn in as senator in January, and a new election is expected to be held in 2002.
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On Oct. 1, delegates to the MPR, which comprises elected MPs and appointed provincial and sectoral representatives, are to be sworn in.
Mr Kan is expected to form a cabinet in the next few days, and to be sworn in by Emperor Akihito next week.
Mr Morsi is due to be sworn in on June 30th, but in a sign of trouble ahead it is unclear who will officiate.
Vernon to NYC to be sworn in as the first president.
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He is yet to be sworn in for his new term, and doubts remain about whether his health will allow him to return to active politics.
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If Chavez is unable to be sworn in before lawmakers on January 10 as scheduled, the constitution says Chavez can do so before the country's Supreme Court.
He is due to be sworn in on 19 April and serve until January 2019 to complete the six-year term that Mr Chavez would have begun in January.
If Chavez is unable to be sworn in before lawmakers on January 10 as scheduled, the constitution says Chavez can be sworn in before the country's Supreme Court.
The winner is due to be sworn in on 19 April and serve until January 2019, to complete the six-year term that Mr Chavez would have begun in January.
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If Chavez has not returned to Venezuela and is unable to be sworn in on January 10, the National Assembly may be forced to act, McCoy and Casal said.
The winner is due to be sworn in on 19 April and serve until January 2019, to complete the six-year term that Mr Chavez was supposed to have begun in January.
If Chavez is unable to be sworn in, it creates a leadership vacuum that must be filled by the National Assembly president, and the possibility of new elections arise, Capriles said.
Mr. Sharif, who has yet to be sworn in, has repeatedly said he is determined to end the drone attacks, and has held out the prospect of peace talks with the Pakistani Taliban.
Pakistan's President Pervez Musharraf resigned his post as military commander Wednesday, fulfilling a key opposition demand a day before he is to be sworn in for a new term as a civilian president.
Saturday's Supreme Court verdict following a drawn-out court case that raised tensions across the nation means that Kenyatta, the son of Kenya's first president, is to be sworn in as president on April 9.
Upon Chavez's death, the opposition would contest the government's candidate in a snap election that it argues should have been called after Chavez was unable to be sworn in on Jan. 10 as the constitution stipulates.
It actually brought at tear to my eye as I was watching from the press gallery and saw many - this one daughter of a member holding a Bible for the member to be sworn in on.
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