Mandate Failures Why do mandates fail? Will I be notified if a customer's mandate fails? Why do mandates fail? A mandate can fail when being set up on a customer’s bank account for several reasons. The most common reasons are as follows: The customer has entered their bank details incorrectly. The customer’s bank account does not support Direct Debit payments eg. a savings account. Will I be notified if a customer's mandate fails? Yes, both yourself (the merchant) and your customer will receive an email notification once the customer's bank advises us that their mandate has failed and cannot be set up on their account. Related articles Key information Mandates that require multiple signatures Transactions FAQs Negative account balances What do my customers see on their bank statements?