You use on your behalf when you are representing me and in your behalf when you do not want to put a lot of emphasis on what you are saying.
I spoke to the company on behalf of my colleague who was unable to attend the meeting.
We will engage a solicitor to act on your behalf in your court case regarding drink driving.
If someone is not available to speak for themselves, a person might say "on the behalf of *so and so* I would like to thank you...", or "on the behalf of *so and so* I am informing you...", or "on the behalf of *so and so* I am requesting...".
on behalf of another person which is not present at the moment.
I would be honored to intercede on your behalf.
Never, but NEVER use "myself" in this way. We say "On behalf of so-and-so and me." The reflexive pronoun myself is NOT a more formal form of the objectivepronoun "me."
Depends on what your talkin about but usally onbehave
in behalf of is incorrect usage (Delete me if I am worng)
A number of claims have been made on behalf of virtue epistemology.
A behalf is an advantage or favour, to do something on someone else's behalf is to do it in order to someway assist them.
"On behalf of my friend, I would like to apologize."