The phrase 'behalf for' is not correct in written English.
In written English, you would use the phrase 'on behalf of'. For example, you could say "I am writing this letter on behalf of my colleague."
I apologize on his behalf for any offense he's caused.
We felt outraged on her behalf for a while.
There are websites which will make the claims on your behalf, for a fee.
A few weeks earlier, she had written on my behalf for a citywide award for "classroom excellence".
Schedule C lists the $50 bill that Twain's estate paid on his behalf for a headstone for his daughter Jean.
California Correctional Health Care Services is applying on Mr. Holcomb's behalf for MediCal coverage, which involves assessing his assets.
When it became clear that more complex treatment was going to be necessary, a medical charity applied on the family's behalf for resettlement under the UN scheme.
Our captain, Nathan Clarke, said that during the game he was immediately approached by their captain, Darren Ward, to apologise on their behalf for what had happened.
Earlier, in court, Mr. Brown introduced his client, who he noted would be speaking on his own behalf "for the first time ever".
"It does not seem likely to me that the concern expressed on LNS's behalf for the private lives of the other person and the interested persons is altruistic.
The appraiser said, 'Some people actually collect this.' " A jeweller sold the amber on Herskowitz's behalf, for three hundred and twenty-five dollars.
