Optional
Prefix used to generate the Mandate reference. Must be at most 12 characters long. Must consist of only uppercase letters, numbers, spaces, or the following special characters: '/', '_', '-', '&', '.'. Cannot begin with 'STRIPE'.
Prefix used to generate the Mandate reference. Must be at most 12 characters long. Must consist of only uppercase letters, numbers, spaces, or the following special characters: '/', '_', '-', '&', '.'. Cannot begin with 'STRIPE'.