* Election winner Netanyahu expected to get the nod
* Will have up to 42 days to form a government
* Up to Israel's president to tap candidate to govern (Updates with Lieberman comments)
By Jeffrey Heller
JERUSALEM, April 15 (Reuters) - Israel's president began post-election consultations on Monday with political parties that will lead to his appointment of a candidate to form a government.
Prime Minister Benjamin Netanyahu's nomination seemed virtually ensured after his right-wing Likud won the largest number of parliamentary seats in the April 9 ballot, and his closest rival, Benny Gantz of the centrist Blue and White party, conceded defeat.
President Reuven Rivlin said he would announce his choice on Wednesday after meeting with all of the parties that captured seats in the 120-member Knesset.
Under Israeli law, after consultations with the parties the president taps a legislator whom he believes has the best chance of forming a government, delegating 28 days, with a two-week extension if necessary, to complete the task.
Netanyahu said he intends to build a coalition with five far-right, right-wing and ultra-Orthodox Jewish parties that would give a Likud-led government 65 seats, four more than the outgoing administration he heads.
All of those parties have now said they will back Netanyahu, with the last to hold out, former Defence Minister Avigdor Lieberman of the ultranationalist Yisrael Beitenu party, pledging support late on Monday.
"The country has decided and we need to honour the decision," Lieberman said in a speech to party supporters. "Tomorrow at the president's, we will recommend Benjamin Netanyahu as the candidate to form the government."
Gantz, a former military chief of staff whose party won 35 parliamentary seats, would likely be next in line to try to put together a government if Netanyahu fails.
For the first time, Rivlin's consultations with the parties were being broadcast live as part of what he described as a display of transparency in what has historically been a closed-door process in Israel.
At the meeting with Likud representatives, Culture Minister Miri Regev noted Netanyahu had won re-election despite Attorney General Avichai Mandelblit's announcement in February that he plans to charge the prime minister in three graft cases.
Netanyahu has denied any wrongdoing. He can still argue, at a pre-trial hearing with Mandelblit whose date has not been set, against the filing of bribery and fraud charges against him.
The Israeli leader is under no legal obligation to resign if indicted. (Reporting by Jeffrey Heller Editing by David Holmes/Mark Heinrich)
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