View Source UkraineTaxidEx.Itin.Validator (ukraine_tax_id v0.1.1)
Validator module for Ukrainian Individual Taxpayer Identification Number (ITIN/IPN). Handles validation of ITIN numbers according to Ukrainian tax authority requirements.
Validates an ITIN number to check if it meets length requirements and has a valid checksum.
Returns:
{:ok, itin}
if validation successful{:error, :length_too_short}
if shorter than required length{:error, :length_too_long}
if longer than required length{:error, :invalid_checksum}
if checksum is invalid
Examples:
iex> UkraineTaxidEx.Itin.Validator.validate("3184710691")
{:ok, "3184710691"}
iex> UkraineTaxidEx.Itin.Validator.validate("123456")
{:error, :length_too_short}
iex> UkraineTaxidEx.Itin.Validator.validate("12345678901")
{:error, :length_too_long}
iex> UkraineTaxidEx.Itin.Validator.validate("3184710692")
{:error, :invalid_checksum}
Summary
Functions
Check whether a given EDRPOU has correct checksum
Check whether a given EDRPOU violates the required length
Check whether a given EDRPOU too long
Check whether a given EDRPOU too short
Functions
Check whether a given EDRPOU has correct checksum
Check whether a given EDRPOU violates the required length
Check whether a given EDRPOU too long
Check whether a given EDRPOU too short