"The following explains the acronyms used for the different payment methods identified in the table above:
• MBP – Stands for Monthly Budget Plan which is the standard monthly Direct Debit scheme.
• QBP – Stands for Quarterly Budget Plan which is the standard quarterly Direct Debit scheme.
• DDA – Stands for Direct Debit Annual which is the standard yearly Direct Debit scheme.
• DDI – Stands for Direct Debit Instalments which is an old monthly Direct Debit scheme that is not:open to new joiners."