Ask a Business Lawyer. Get Business Law Questions Answered ASAP.
I have reviewed your original question and don't see that they accepted the offer and then attempted to cancel their acceptance. Here is what happened according to what you said in your original question:
Can you please be more specific about #4? As I understand what you are saying, they specified that certain portions of the negotiations would be completed by certain times ("time lines"), and you agreed to that. Am I understanding you correctly?