Section 363.145 - May I delete a pending transaction involving a zero-percent certificate of indebtedness?(a) You may delete a pending purchase of a zero-percent certificate of indebtedness initiated from your TreasuryDirect ® account.(b) You may delete a pending purchase of a security using a zero-percent certificate of indebtedness as payment.(c) You may not delete a pending redemption of all or part of the value of a zero-percent certificate of indebtedness. 69 FR 50309 , Aug. 16, 2004. Redesignated at 75 FR 70816 , Nov. 19, 2010