law taxes in Qatar

Assignment Requirements
you have to write an essay about Qatari tax law by answering the questions below you have to look *whether Qatar (companies) pay taxes? and if it yes, when it was issued?who should pay the taxes?(Qatari owners or non Qatari owners) *are Qatar companies required to pay taxes? *how the Qatar companies report the taxes? *who they did pay the taxes to? *how they calculate the taxes? is it based in the revenues? is it based on the income? is it based on the net profit? *who collect the taxes?(is there a tax form that they have to fill in?),(do they have to register any where?) *what if they don’t pay the taxes?(do they go to jail?) *what is tax law in Qatar?