Tier1 general extension earnings question, urgent

[hsyasin]

Hi all,
I'm sure this question has been answered somewhere, but can you kindly point me to it.
My question is, for self-employed earnings, do we have to use some special registered accountant recognised by some body? and if yes then which body?
Also, I'm showing my shortfall as a self employed sole trader and have already filed my tax return for 2011-2012 and already paid the tax.
So what documents do i need from an accountant to attach with my application for this earning?

[geriatrix]

Hi all,
I'm sure this question has been answered somewhere, but can you kindly point me to it.

Have you made an effort to read the policy guidance? Suggest that you do.

[hsyasin]

sorry, my bad, just read it.