The maximum lifetime of a transaction is 60 days or 180 days depending on your workspace entitlements.
If you wish to enable long-term transactions (180 days), you must contact your account manager at Universign. Once long-term transactions are enabled, all new transactions will have a maximum lifetime of 180 days. However, the activation is not retroactive: transactions created prior to the activation will remain on a maximum lifetime of 60 days.
You can define the lifetime of a transaction by setting either its duration or expiration date. By default, a transaction expires 14 days (20160 minutes) after it is started.
Note that a transaction can be left in draft for 7 days but will be automatically deleted after that time, even if a duration or expiration date has been configured.