View the list of Sample Business Letters Acceptance of Counter Proposal Disclaimer: Be aware that some of these sample letters have legal, financial, or other implications. If you are not sure about the use of any letter, consult with an appropriate professional first. Acceptance of Counter Proposal Dear Your counter proposal on the above referenced project has been reviewed and is acceptable in its entirety. We are enclosing an executed copy of the agreement along with two copies for your files. We are enthusiastically looking forward to this project and are pleased about having the opportunity to work together.