My timeline

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1. Current vignette HSMP / Tier 1 :Tier 1
2. Date of expiry of current leave (visa) :22 Mar 2012
3. Date application posted : 27 Feb 2012 (SD...delivered on 28 Feb 2012)
4. Date payment debited :N/A
5. Payment mode :Debit card
6. Date (new) leave to remain valid from :N/A
7. Date of biometrics enrolment : N/A
8. Date passport / BRP received :N/A

Has anyone applied for Tier 1 extension this week?
I haven't received the letter and the fee hasn't been debitted.
I wonder whether it is a usual delay or my application has got problem..

Your reply is highly appreciated.
Thanks.