I have had 3 different clients tell me that the taxes they owed have not been deducted from their bank accounts.  I can see that the returns were all successfully filed, and each return has "EFT withdrawal" box checked. 

Has this happened to anyone else?  Is there anyway to force an EFT payment after the fact or do I need to tell them to manually pay them on the IRS/state sites? (And if I do that, is there a way to guarantee the original payment won't go through later?)