The trustee warned of contempt proceedings against the bank and its directors over alleged non-compliance with the Supreme Court ruling setting aside the Rs 8,415 crore AT1 bond write-off. Axis Trustee Services Limited, the trustee for the Additional Tier 1 (AT1) bonds issued by Yes Bank, has asked the private sector lender to reinstate the bonds and take all necessary corporate actions within three days, failing which it said contempt proceedings would.