This excerpt taken from the THC DEF 14A filed Mar 27, 2008.
Termination of Employment
If a participant terminates employment, retires or becomes permanently disabled, contributions to the participant's account will cease and the participant or the participant's representative may elect to withdraw the remaining cash balance or to have the remaining cash balance applied to the purchase of stock on the last day of the calendar quarter. Upon the participant's death, all contributions to the participant's account will cease and the cash balance remaining in the participant's account will be refunded to the participant's estate unless the executor of the estate elects otherwise. The participant or his representative may request a certificate or certificates evidencing the stock purchased by the participant.
This excerpt taken from the THC DEF 14A filed Apr 2, 2007.
11. Termination of Employment
Except as provided herein, a Participant must be actively employed by the Company on the date the amount payable with respect to his/her Award is determined by the Committee (the Determination Date) in order to be entitled to payment of any Award for that Year or other measurement period. In the event active employment of a Participant shall be terminated before the Determination Date for any reason other than discharge for cause or voluntary resignation, such Participant may receive such portion of his/her Award for the Year or other measurement period as may be determined by the Committee or by Company management in accordance with the terms of the Tenet Executive Severance Plan or any other existing severance plan, policy or arrangement. A Participant discharged for cause shall not be entitled to receive any Award for the Year or other measurement period.