044-51 Wyo. Code R. §§ 51-8 - Mandatory Electronic Format
Unless otherwise provided by federal or state law, issuers that elect to receive claims or elect to send payments by electronic means shall support the NSF for electronic media claims and electronic remittance notice (ERN) as an interim standard format until the American National Standards Institute (ANSI) ASC X12N standard format for the health care claims submission transaction set (837) and the ASC X12N health care claim payment transaction set (835) or their successors become the required standard formats.
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