I hope I helped !! Good luck.
Diane Wheatley, Broker
If I am not getting anywhere with the Short Sale Lender, sometimes I find that having my escrow / title officer request the extension for delayed closing works the best. It is clean and unemotional. I have yet to see a bank deny a few extra days to close. They really don't want to own your home. As an alternative, negotiate a one week lease back from the new buyer. They might be open to this. You will never know if you do not ask.
Regarding your legal obligations under the contract, this is a question for your agent, their broker and / or an attorney. Anyone who would comment on that without knowing all the fact would not be doing you a favor. Hope everything goes smoothly for you and Dare to Dream.
Real Estate Consultant
RE/MAX Palos Verdes Realty