Identifying a false VAT code.

in VAT
Hi, does anyone have the syntax for identifying a false VAT code.
I had it once where if you add up all the numbers, multiply it by 33 or something like that the result should equal the last two numbers which act as a checksum. If it doesnt add up you are probably looking at a false number. I read it once in Accountancy Age but cant find details of the current method on HMRC. Any help appreciated
I had it once where if you add up all the numbers, multiply it by 33 or something like that the result should equal the last two numbers which act as a checksum. If it doesnt add up you are probably looking at a false number. I read it once in Accountancy Age but cant find details of the current method on HMRC. Any help appreciated
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Comments
Take the first seven digits (ie everything except the last 2)
Underneath write:
8, 7, 6, 5, 4, 3, 2
Multiply one by t'other ie
VAT number 1234567
8765432 gives (1 x 8) + (2 x 7) etc etc.
Add all the numbers up to say 200. You then take away 97 as many times as required to get to a negative number. That negative number should be the final two digits of the VAT number.
The other way of checking is to go to :
[URLhttp://http://ec.europa.eu/taxation_customs/vies/vieshome.do?selectedLanguage=EN[/URL]
This will tell you whether a VAT number is currently in issue. The sad git method just tells you whether it is a possible VAT number.
Claudia
Claudia