In your behalf or On you behalf

[Unregistered]

Which do you use ..."In behalf..." or "On behalf..." of the GTZ corporation, congratulations for winning the lottery.

[blouen]

Which do you use ..."In behalf..." or "On behalf..." of the GTZ corporation, congratulations for winning the lottery.

I'd say, "On behalf of the GTZ corporation, we congratulate you for winning the lottery."



{just a learner}