16 across
Given
a
certificate
with
some
reservations
(9)
Given a certificate with some reservations (9)
hints
0
checks
0
hints
The whole clue is the definition (& lit or double definition).
How the clue works
Look at Given a certificate — that gives you QUALIFIED in the sense of having obtained a qualification — and then with some reservations does exactly the same job, since a qualified statement is one made with caveats. Two completely separate definitions pointing at the same word.