I require a pro-forma invoice to complete payment for my booking? If you require a pro-forma invoice, please complete a form here and a member of our support team will be in contact in regards to your request. Related articles How do I make payment by BACS for my school/group booking? How do I contact you with a guest enquiry? I require a VAT Receipt for my school or group booking? How do I make a card payment for my school/group booking? How do I use my Kellogg's voucher online?