Get your taxes done using TurboTax

The current year form 1040 balance due certainly qualifies.  But I would expect the IRS to send you out some kind of notice (could take more than 6 weeks to do so)  since you agreed when you got on the payment plan that you would not get behind again ... doing so used to void the old payment plan.    Read up here :  https://www.irs.gov/taxtopics/tc202