17 April News Premex responds to JXX v Archibald [2026] by creating new service charge 03. Setting Fees and Getting Paid, 02. Working with Agencies or Panels, Premex, Service Charge UPDATED 10/6/26: Experts on Premex's panel have contacted the EWI to say that they will be subject to a15% service charge (plus VAT) on all invoices.