Austria
Validate tax registration numbers as per Austria AT VAT validation rule. All businesses in Austria are assigned an 11 -digit global unique identifier called Austria AT VAT.
Ensure that the following details are correct for Austria AT VAT:
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Validation Type: ORA_AT_VAT
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Description: Austria AT VAT
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Number of digits: 11
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Format: Two character Country code(AT) + U + 8 digit numeric: ATU99999999 11 characters: A(1-3)+N(1-7)+C(1) A(1-3)={ATU}
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Check digits: Yes, 11th Digit (Last Digit)
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Check Digit Validation: Coefficient -1212121, Modulo 10
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Default Validation: ORA_AT_VAT
Example:
Good:
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ATU15110001
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ATU66087922
Bad:
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ABU12345675 (Invalid country code)
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U12345675 (Missing country code)
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ATU1234567 (Invalid format - too short)
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ATU123456789 (Invalid format - too long)
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ATU12345678 (Invalid check digit)