1. Category changing (switching) from: Work Permit to Tier 1 (General) 2. Date of expiry of current leave (visa): 17/08/2012 3. Date application posted: 12/11/2010 (via Royal Mail Special Delivery) 4. Date payment debited: 19/11/2010 5. Payment mode: Cheque 6. Date leave to remain valid from: 19/01 ...