Israel Invoice Allocation Number Validator (SHAAM / ITA)
Validate 9-digit Israel invoice allocation numbers using the official Israel Tax Authority Modulo 10 algorithm.
How does Número de Alocação de Fatura Israel (SHAAM) validation work?
The validator verifies the structural integrity of 9-digit Israel invoice allocation numbers by calculating the check digit via weighted Modulo 10, mimicking pre-clearance validation rules of the SHAAM API.
Ideal for software engineering and QA teams testing real-time input validations in ERPs, CRMs, and accounting platforms prior to live SHAAM government portal connectivity.