The phrase "reply on behalf of" is grammatically correct and can be used in written English.
You can use it when a person is sending a message that is not their own words. For example: "I am replying on behalf of my boss who asked me to convey his apologies for not being able to attend the meeting."
"There was no reply on behalf of Assad," he added.
Let me reply on behalf of many in the audience: Oh, yes, we do.
Additional features include the ability to search group archives, and reply on behalf of a group.
A second reply, on behalf of the sense data foundationalist, is that Sellars has confused propositional awareness with conceptual awareness.
The reader may also consult the rather different form of reply on behalf of the emergentist made by Wilson (1999) and Shoemaker (2002).
A monk named Gaunilo wrote a "Reply on Behalf of the Fool," contending that Anselm's argument gave the Psalmist's fool no good reason at all to believe that that than which nothing greater can be thought exists in reality.
Some clubs that replied on behalf of current players said it was policy not to discuss personal affairs.
It was her powerful speech to the 1957 Labour conference, denouncing the Macmillan plan to bring Turkey into play in Cyprus, which enabled me, replying on behalf of the national executive, to commit the party to oppose the plan.
Replying on behalf of the committee, Mr P. Cleave of Ulverston said that it was felt that the board would be unwise if it appeared to persecute the person who wanted to go off and camp on his own and enjoy quiet.
Mr. Rubenstein replied on behalf of Silverstein Properties that Mr. Libeskind "has already been paid many millions of dollars for his work by the L.M.D.C. and the Port Authority and is unable to provide any industry-standard timesheets or other documentation that would justify an additional payment of more than $800,000".
Replying on behalf of the original paper's authors, Judy Mikovits of the Whittemore Peterson Institute for Neuro-Immune Dinease in Reno, Nevada, yesterday declined the request in a letter to Science, calling the action "premature".
