After you file

@AHammondsLarson - does the IRS website confirm that your amendment is in queue? 

 

https://www.irs.gov/filing/wheres-my-amended-return

 

at least you would know it is in queue.  9 months (+ or -) is about the norm wait, so as long as it is in queue, I suspect it is nearing the top of the queue.