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*FM (Facilities Management): If you are Bulk Changing from an FM bureau where you do not own & maintain your own Service User Number (SUN) *MA (Managed Administration): If you are the Service User and you are Bulk Changing from a Service User Number (SUN) you own

Service User Number - a 6 digit unique identifier issued to every Service User in the UK, which all of your mandates will be currently registered against.

The full name of your Service User Number as registered with the bank. If unsure, please contact your sponsoring bank or bureau to confirm.

The short name of your Service User Number as registered with the bank. This is the name that appears on your payer's bank statement. If unsure, please contact your sponsoring bank or bureau to confirm.

Automated Direct Debit Instruction Service (AUDDIS) - the electronic Direct Debit system used by Bacs to submit Direct Debit Instructions to banks. If you cannot submit Direct Debit Instructions electronically, please select "Non Auddis-Live". Cancelling mandates on a Non-AUDDIS Servicer User Number (SUN) is done by submitting the transaction code 19, which can only be done alongside a payment. You will therefore need to submit the code 19 alongside your final payment collections with your current solution, which will cancel your customers' existing mandates, before migrating any mandates over to GoCardless.

Please note that your last collection should be at least 2 working days prior to the Bulk Change in order for payments to be confirmed.

A Bacs Bulk Change cannot happen instantly. As all parties involved require notice, the date entered below will need to be at least 28 days in the future and must be on a working day.

It takes 1 working day to set up a mandate and a further 3 working days to set up a payment, which is why you need at least 4 working days from the Bulk Change date to the date you next intend on collecting from your customers. You might also want to give yourself more time to get your payments/subscriptions set up as they are not transferred as part of the Bulk Change.

GoCardless can be used with a pre-built integration via our different partners. You can find information at https://gocardless.com/partners/

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