But was it printed in red or highlighted in yellow?

With one week left I email all clients who have not returned their forms.  I repeat the exercise two days prior.

I agree with others, even though my paperwork says e-filing and payment do not have to be at the same time, many clients still think they cannot make payment until the return is e-filed and with a balance due, that extra day or two will earned them another $0.05 in interest.