Management is considering a policy requiring employees provi

Management is considering a policy requiring employees provide doctors' notes after taking sick leave so as to prove fitness to return to work.

a-provide doctors' notes after taking sick leave so as to
b-to provide doctors' notes after taking sick leave so as to
c-provide doctors' notes after taking sick leave in order that they
d-to provide doctors' notes after taking sick leave so that the employees can
e-provide doctors' notes after taking sick leave and
...

---