No refund claim and supporting documentation may be submitted via e-mail or by fax. In the event that an amended return seeking a refund is filed electronically
pursuant to the TPCG's sales tax online filing software (
parish e-file) electronic filing service, all supporting documentation in accordance with the above
provisions must be received by the Collector within five (5) business days of the filing of the amended return requesting refund on sales tax online filing
software (
e-gov or parish e-file).