Sports Networks' High Court claim is Calzaghe broke a verbal contract with them to promote his further fights.

BBC: Calzaghe files court counterclaim

The nikah mut'ah consists of a verbal or written contract in which both parties agree the length of time and conditions for the marriage.

BBC: I do... for now. UK Muslims revive temporary marriages

Mori's Yoshimitsu Isoi says his firm found it hard to put everything into a written contract in China, rather than relying on verbal agreements as in Japan.

ECONOMIST: Japanese companies in China

The Welsh Rugby Union revealed on Sunday Edwards had not signed an official contract but was committed until 2010 on the basis of a verbal agreement he has with coach Warren Gatland, a close friend.

BBC: Edwards keen to remain with Wales

There is no formal contract for the land, but rather "consensus building, " he says, that results in a verbal go-ahead from the collective parties.

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