Please identify as many red flags as you can on this invoice

Example Porridge Associates Invoioe Suite 214 The Castle Lancaster LA1 1YL INVOICE NO: 000796 DATE: 5 February 20X7 Registered Sales Tax Number 394/8126/07 To Attn: Peter Kenworthy Silverfin Enterprises Limited Our Reference: Century House Brook Street For the period: 1.3.X7 to 31.3.X7 London NW3 9HE CONSULTANT DESCRIPTION AMOUNT JFB Fees in relation to testing of electronic payment systems Total fees 18.000.00 Expenses $500.00 $500.00 SUBTOTAL 18,500.00 SALES TAX $1,700 TOTAL DUE $10,200.00 If you have any questions concerning this invoice, call: 0778 279 1789 or write to Porridge Associates, UK Head Office, 127 Elm Avenue, Nottingham, N12 7PY THANK YOU FOR YOUR BUSINESS! Remittance Advice Invoice Number. LIA 000796 To Porridge Associates Bank of Wealth (Jersey) Ltd St Helier Jersey Enclosed please find our cheque for Account number 87620549 E10,200.00 Sort Code 16-58-79 in settlement of your account Registered in Jersey. company Registration No. 02470290