This excerpt taken from the CVS 8-K filed Aug 15, 2006.
. Outstanding Debt Securities. Debt Securities outstanding at any time are all Debt Securities that have been authenticated by the Trustee except for those Debt Securities canceled by it, those Debt Securities delivered to it for cancellation, those Debt Securities paid pursuant to Section 2.08 and those Debt Securities described in this Section as not outstanding.
If a Debt Security is replaced pursuant to Section 2.08, it ceases to be outstanding unless and until the Trustee and the Company receive proof satisfactory to them that the replaced Debt Security is held by a holder in due course.
If the Paying Agent (other than the Company or an affiliate of the Company) holds on the maturity date or any redemption date or date for repurchase of the Debt Securities money sufficient to pay Debt Securities payable or to be redeemed or repurchased on such date, then on and after such date such Debt Securities shall cease to be outstanding and interest on them shall cease to accrue.
A Debt Security does not cease to be outstanding because the Company or one of its affiliates holds such Debt Security,