proviso
noun [ C ]
uk/prəˈvaɪzəʊ/ us LAW
a part of a legal document that states that something must happen or be done:
The provisos set out in a lease cover a range of matters which a tenant should understand before signing it.
contain/include/carry a proviso Recent legislation includes a proviso that the country's private creditors agree to reduce their claims in order to make the debt burden more sustainable.
with/on the proviso that We are currently offering a new investment fund whose return tracks the FTSE 100, with the proviso that it can only fall by 5% a quarter.
something that must be done before something else happens or is agreed:
You can buy back or sell the shares at any point - the only proviso is that any loss or money owed is within your account limit.
with/on the proviso that The firm will pay only half the fine on the proviso that it does not breach regulations again.