My brother is sick. I'm writing on behalf of my brother.(=I'm writing because my brother cannot write) I'm a lawyer. I'm acting on behalf of my client. (=My client does not know law) I'm a doctor. I cannot act on behalf of my patient. I have a license. I'm driving on behalf my father. He's eyes are not good for night driving.
A traditional rule holds that in behalf of and on behalf of have distinct meanings. Accordingly, you should use in behalf of to mean “for the benefit of,” as in We raised money in behalf of the earthquake victims. And you should use on behalf of to mean “as the agent of, on the part of,” as in The guardian signed the contract on behalf of the child. But as
0 Your question are both correct (there's nothing wrong). Your supposed question is this, When can I use the phrase On behalf of... and In behalf of... Do you understand what I mean?02br 02br 00Then i will answer you correctly.02br 02br 00Edward Baretta II C.L Gamma Chi 0-