Tax submission for business owner

This would  be the 1st time that I submit my tax return as a business owner. The date line is on 30 June. 

I have been organizing the bills, banking documents and other accounts  related documents a week ago in order for me to update them into the accounting system.  I am using the UBS accounting  system at home which is similar to the system  I am using in my employer's office, so I am quite familiar  with it and that's  make  it a lot easier for me.

I have one more week to finalise my business  account and do the submission online for the Assessment Year 2012.  Previous years, I only have to report my income as an employee which is very much straight forward.