As to the gridlines, you won't find anywhere in the regulation or the commentary or even in the material that accompanied the regulation and commentary in the Federal Register an explicit statement that the gridlines are to be used. What is said is that you have to used the tabular format and your disclosure should look substantially like the B-10 sample.
I believe that the Fed expects the gridlines, and your examiner will probably be looking for them. A presenter in the Fed's audiocast concerning the Reg E overdraft amendments spent a little time on the Reg DD rule, and said the gridlines are part of the deal.
You cannot add to the information in the B-10 sample. That is, you can't print the waived fees there, although you have the option of deducting them from the totals in the disclosure if you do so correctly (see the Commentary on section 230.11(c) for details).
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John S. Burnett
BankersOnline.com
Fighting for Compliance since 1976
Bankers' Threads User #8