CBM Reconcile before Y/E Close

Hi,
More fund with Cashbook Bank Management... does anyone know if the CBM Bank Statement Reconciles need to be completed before running the year end close? I'm helping my client close out 2012 and they are using CBM.  We're having problems reconciling the bank statements and I want to know if we can close and then just get back to the reconciliation.  There should not be any transactions resulting from the reconcile, so I am not worried about affecting the GL.  Any insight is greatly appreciated.

NOTE: This is Cashbook Bank Management module (UK), not the normal GP Bank Rec.

Thanks!!!

Jim