# Varthana Biller product instance ID: `888888888888888888` ### Sample request ``` { "billerProductInstanceID": "888888888888888888", "customerIdentifiers": [{"attributeName":"loanNumber","attributeValue":"BYD3421UO"}] } ``` # Partial Pay allowed true ## Regex `(([A-Z]{3})+(-)+([A-Z]{3})+(-)\w+([0-9])\w+([A-Z]{2}))|(([A-Z]{3})+([0-9])+([A-Z]{1}))|(([A-Z]{1})+([0-9]{2})+([A-Z]{3})+(-)+([A-Z]{3})+(-)+([0-9]{6}))`