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Pay for a masterclass by invoice

The Critical Appraisal Company accepts official purchase orders from bona fide companies, organisations and academic institutions. Invoices will be sent within 24 hours of completing the online form on this page. Payment will normally be required before the event. Payment options include cheque and bank transfer. Full details available on request.

Enter the details for the person who will pay the invoice (eg name, postal address). Include the purchase order number if needed.