# Permit renewal examples
Permit renewals are governed by three properties on the template from which the permit is created; revalidation time, max number of renewals and max permit length. Refer to the permit templates section for an overview of these properties.
There are many different combinations of these properties which can be used to represent a wide variety of permit validity situations; see the following examples for assistance in setting up a situation of your choice:
Max length = 28, revalidation time = 7, max renewals = 3.
- Once approved, this permit will expire after 28 days.
- It will require renewal after 7 days.
- It can be renewed 3 times, providing the expiry date has not elapsed.
Max length = none, revalidation time = 7, max renewals = 3.
- This permit will have no default expiry date.
- After approval it will require renewal in 7 days.
- It can be renewed 3 times.
- The permit will expire 7 days after the third approved renewal.
Max length = none, revalidation time = 7, max renewals = 0.
- This permit will have no default expiry date.
- As there are no renewals allowed it will expire 7 days after approval.
Max length = none, revalidation time = 7, max renewals = none.
- This permit will have no default expiry date.
- It will require renewal after 7 days.
- It can be renewed indefinitely.
Max length = 28, revalidation time = none, max renewals = none.
- Once approved, this permit will expire after 28 days.
- In that time it can be renewed indefinitely but will never require renewal.