The United States trustee shall immediately notify the person selected as trustee how to qualify and, if applicable, the amount of the trustee’s bond. A trustee that has filed a blanket bond pursuant to Rule 2010 and has been selected as trustee in a chapter 7, chapter 12, or chapter 13 case that does not notify the court and the United States trustee in writing of rejection of the office within seven days after receipt of notice of selection shall be deemed to have accepted the office. Any other person selected as trustee shall notify the court and the United States trustee in writing of acceptance of the office within seven days after receipt of notice of selection or shall be deemed to have rejected the office.