IČ DPH (IČ pre daň z pridanej hodnoty, Slovak VAT number).
The IČ DPH (Identifikačné číslo pre daň z pridanej hodnoty) is a 10-digit number used for VAT purposes. It has a straightforward checksum.
>>> compact('SK 202 274 96 19')
'2022749619'
>>> is_valid('SK 202 274 96 19')
True
>>> is_valid('SK 202 274 96 18') # invalid check digits
False
Calculate the checksum.
Convert the number to the minimal representation. This strips the number of any valid separators and removes surrounding whitespace.
Checks to see if the number provided is a valid VAT number. This checks the length, formatting and check digit.