have occasion to (do something)

have occasion to (do something)

To have a reason, requirement, or motivation for doing something. Now that I work closer to home, I don't have occasion to go to that side of town very often.
See also: have, occasion

have occasion to do something

(formal) have a reason or need to do something: If you ever have occasion to visit Zurich, you will always be welcome to stay with us.
See also: have, occasion, something