I was estranged from my father and he passed last year. He had a small business wound down for his retirement. There is an IRS lien >= the value of the business. I want no part of any of it and am satisfied with liquidation to settle the lien. My older sister wants the business and requested a carte blanche release of my claim. I agreed but requested information and for her to prepare an appropriate document that protected my from liability which I would sign. She refused both and has refused to send me any details on the estate or business. The other siblings released their claims. She is now threatening me with half of the IRS bill. What is my exposure and risk? The estate and sister are on the East Coast.