Don't want close ticket queue

Hi all,

How can I create a queue where no ticket can be close ? But can be deleted,
rejected.

Regards.

JAS
Albert SHIH
DIO b�timent 15
Observatoire de Paris
5 Place Jules Janssen
92195 Meudon Cedex
T�l�phone : 01 45 07 76 26/06 86 69 95 71
xmpp: jas@obspm.fr
Heure local/Local time:
mar 2 oct 2012 15:00:21 CEST

How can I create a queue where no ticket can be close ? But can be deleted,
rejected.

Custom lifecycle?
http://bestpractical.com/rt/docs/latest/RT_Config.html#Lifecycles

-kevin