RESPONSIBLE DECLARATION OF CONFORMITY OF THE INFORMATION SYSTEM FOR INVOICING (SIF)

Software Producer: Union Jack Golf Reservations SL

System Name (SIF): UJG Billing & VeriFactu Engine

Identifier Code: U1

Operating Status: Exclusive VERI*FACTU (Real-time Submission)

Active Version: V41.0.0 (Unified Core Engine)

Effective Date: July 11, 2026