Section 125-102-.06 - PRENOTIFICATIONS AND TESTSA.ACH credit method. It is recommended that a taxpayer submit an error-free prenotification test at least six (6) business days prior to submitting an EFT payment to MRS using the ACH credit method. A prenotification test is required for each financial institution account. Each prenotification test must be submitted in compliance with CCD+ specifications and must include the addendum record information.B.ACH debit method. The Maine Tax Portal will automatically perform a prenotification test on all ACH debit transactions submitted via the portal.18-125 C.M.R. ch. 102, § .06